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Last updated
 
04 Aug 2017 Some approximate dates adjusted for non-date stamped A W Faber / Faber-Castell Slide Rules.
25 Feb 2016 "Why do you like slide rules?" (Skid Stick 52, February 2016) added to My Slide Rule Writings page.
09 Feb 2016 A W Faber "Castell" 360 (1922) enhanced Mannheim slide rule added to A W Faber / Faber-Castell Slide Rules, and detail/gallery page A W Faber 360.
24 Jan 2016 A W Faber 365A (c1910-2) enhanced Mannheim slide rule with normal scales, added to A W Faber / Faber-Castell Slide Rules, and detail/gallery page A W Faber 365A.
A W Faber 360 (c1914-20) enhanced Mannhiem slide rule added to A W Faber / Faber-Castell Slide Rules, and gallery page A W Faber & A W Faber "Castell" 360, 1/60/360.
A W Faber "Castell" 360 (1929) enhanced Mannhiem slide rule added to A W Faber / Faber-Castell Slide Rules, and gallery page A W Faber & A W Faber "Castell" 360, 1/60/360.
A W Faber 368 (c1907) Electro slide rule added to A W Faber / Faber-Castell Slide Rules, and gallery page A W Faber 368.
A W Faber 368 (c1908) Electro slide rule added to A W Faber / Faber-Castell Slide Rules, and gallery page A W Faber 368.
A W Faber "Castell" 367 (1929) enhanced Mannhiem slide rule with digit registering cursor added to A W Faber / Faber-Castell Slide Rules, and gallery page A W Faber & A W Faber "Castell" 367.
A W Faber 309 (1934) enhanced Mannhiem slide rule for school use added to A W Faber / Faber-Castell Slide Rules, and gallery page A W Faber 309, 51/91/309.
A W Faber "Castell" 376 (1935) enhanced Mannhiem slide rule with additional scales added to A W Faber / Faber-Castell Slide Rules, and gallery page A W Faber "Castell" 376.
A W Faber "Castell" 61/98/319 (1935) enhanced Electro pocket slide rule added to A W Faber / Faber-Castell Slide Rules, and gallery page A W Faber "Castell" 319 created.
A W Faber "Castell" 388 (1929) Electro desktop slide rule added to A W Faber / Faber-Castell Slide Rules, and gallery page A W Faber "Castell" 388 created.
01 Jan 2016 Updated dating estimations of pre-WW1 A W Faber / Faber-Castell Slide Rules.
17 Oct 2015 A W Faber 364 (c1906) enhanced Mannheim slide rule, added to A W Faber / Faber-Castell Slide Rules, and detail/gallery page A W Faber 364.
A W Faber 365 (c1899) enhanced Mannhiem slide rule added to A W Faber / Faber-Castell Slide Rules, and gallery page A W Faber 365.
A W Faber 380 (c1914) enhanced Mannhiem desktop slide rule with digit registering cursor added to A W Faber / Faber-Castell Slide Rules, and gallery page A W Faber 380, 4/60/380.
A W Faber "Castell" 73/91 (1940) enhanced Mannhiem mini promotional slide rule added to A W Faber / Faber-Castell Slide Rules, and gallery page A W Faber 73/91 created.
24 Aug 2015 A W Faber 364 (c1910) enhanced Mannheim slide rule, added to A W Faber / Faber-Castell Slide Rules, and detail/gallery page A W Faber 364 created.
A W Faber 365A (c1906) enhanced Mannhiem slide rule added to A W Faber / Faber-Castell Slide Rules, and gallery page A W Faber 365A created.
A W Faber 367 (c1910) enhanced Mannhiem slide rule with digit registering cursor added to A W Faber / Faber-Castell Slide Rules, and gallery page A W Faber 367.
A W Faber "Castell" 375 (1934) System Rietz slide rule added to A W Faber / Faber-Castell Slide Rules, and gallery page A W Faber 375.
7 July 2015 My Slide Rule Writings page created listing my slide rule related prose, with links to pfd's. Links to this page added to slide rule content pages.
3 July 2015 Content added to Slide Rule Books page:
- Ich leiste mehr! Schule für den Selbstunterricht im Gebrauch des Rechenstabes (c1940-50, AW Faber-Castell, 3rd Edition)
30 June 2015 Content added to Slide Rule Books page:
- Otis King Calculators, a History of Production 1920-1977 (2012, Colin Barnes & Tedford K. White, 2nd Edition)
- Pocket-Watch Slide Rules (2011, Peter M. Hopp C.Eng. M.B.C.S.)
- Pocketbook of the Gauge Marks (2011, Panagiotis Venetsianos, 2nd Edition)
- Slide Rules, A Journey Through Three Centuries (2000, Dieter von Jezierski, 2nd Edition)
- Slide Rules, Their History, Models, and Makers (1999, Peter M. Hopp C.Eng. MBCS)
- The Oughtred Society Slide Rule Reference Manual (2010, Oughtred Society, 2nd Edition)
28 June 2015 A W Faber 368 (c1910) Electro rule, added to A W Faber / Faber-Castell Slide Rules, and detail/gallery page A W Faber 368.
Slide Rule Books page created with content:
- A History of the Logarithmic Slide Rule and Allied Instruments (1910, Florian Cajori, 1994 reprint)
- Instructions for the use of A. W. Faber's Calculating Rule (c1896, Charles N Pickworth)
- Instructions for the use of A. W. Faber's Improved Calculating Rule (c1903, Charles N Pickworth)
- Instructions for the use of A. W. Faber's Improved Calculating Rule (c1910, Charles N Pickworth)
- Instructions for the use of A. W. Faber's Improved Calculating Rule (c1910, Charles N Pickworth)
- Slide Rules A.W. Faber A.W. Faber-Castell (2014, Peter Holland, 7th Edition)
- The Slide Rule (c1919, C N Pickworth, 16th Edition)
21 June 2015 Rationalised and restructured Other Manufacturer's Slide Rule and subsiduary pages similar to AW Faber/Castell page, and side rule content sidebar links.
13 June 2015 New Slide Rule Catalogues page created and A W Faber "Castell" Precision Slide Rules catalogue (1928, Ref. 0115/E) added to it.
Side bar links to slide rule pages added to most slide rule pages for ease of navigation.
31 May 2015 A W Faber 332 (1930) Mannheim, pocket school slide rule, added to A W Faber / Faber-Castell Slide Rules, and new detail/gallery page A W Faber 332 created.
A W Faber 360 "Castell" (1927) enhanced Mannhiem slide rule added to A W Faber / Faber-Castell Slide Rules, and detail/gallery page A W Faber & A W Faber "Castell" 360, 1/60/360.
Instructions For The Use Of A.W. Faber's Improved "Castell" Precision Calculating Rules (1927, No 360 363 369 389) document added to Slide Rule Manuals page.
A W Faber 368 (c1908) Electro slide rule added to A W Faber / Faber-Castell Slide Rules, and detail/gallery page A W Faber 368.
Faber-Castell 8/10 (1969) circular slide rule added to A W Faber / Faber-Castell Slide Rules, and new detail/gallery page Faber-Castell 810.
23 May 2015 Rationalised A W Faber / Faber-Castell Slide Rules and model pages.
- Moved version comparisons within model to model pages.
- Moved version detailed descriptions to model pages.
- Created tables of models grouped by Scale Type and Scale Length with preview images and links to model pages and individual version.
- Changed summary table links to model pages and created new links to model group tables, removed version links.
- Where model numbering system changed, grouped versions of same model continuation together.
21 Apr 2015 A W Faber "Castell" 361 (1922) Mannheim, school slide rule, added to A W Faber / Faber-Castell Slide Rules, and gallery page A W Faber & A W Faber "Castell" 361.
A W Faber 360 (c1896) enhanced Mannhiem slide rule added to A W Faber / Faber-Castell Slide Rules, and gallery page A W Faber & A W Faber "Castell" 360, 1/60/360.
A W Faber "Castell" 360 (1935) enhanced Mannhiem slide rule added to A W Faber / Faber-Castell Slide Rules, and gallery page A W Faber 360 & amp;A W Faber Castell 360, 1/60/360.
09 Apr 2015 Updated model version comparisons on A W Faber / Faber-Castell Slide Rules page, and rationalised unlabelled models into their appropriate place on this page and their individual model pages (360, 363, 367 & 368).
01 Feb 2015 A W Faber "Castell" 361 (1921) Mannheim, school slide rule, added to A W Faber / Faber-Castell Slide Rules, and gallery page A W Faber 361 & A W Faber "Castell" 361.
31 Jan 2015 A W Faber "Castell" 389 (1922) enhanced Mannheim, mini slide rule, added to A W Faber / Faber-Castell Slide Rules, and gallery page A W Faber "Castell" 389.
16 Nov 2014 A W Faber "Castell" 4/60/380 (1936) enhanced Mannheim, desktop slide rule, added to A W Faber / Faber-Castell Slide Rules, and new gallery page A W Faber "Castell" 4/60/380 created.
28 Sep 2014 A W Faber 350 (c1893-99) Mannheim, unlabelled model, added to A W Faber / Faber-Castell Slide Rules, and gallery page A W Faber 350 .
27 Sep 2014 A W Faber "Castell" 373 (1931) Mannheim, mini slide rule, added to A W Faber / Faber-Castell Slide Rules, and new gallery page A W Faber "Castell" 373 created.
A W Faber "Castell" 369 (1927) enhanced Mannhiem pocket slide rule added to A W Faber / Faber-Castell Slide Rules, and gallery page A W Faber Castell 369.
A W Faber "Castell" 1/60/360 (1935) enhanced Mannhiem slide rule added to A W Faber / Faber-Castell Slide Rules, and gallery page A W Faber & A W Faber "Castell" 360, 1/60/360.
16 Sep 2014 A W Faber "Castell" 390 (1934) Rietz variant pocket slide rule, added to A W Faber / Faber-Castell Slide Rules, and new gallery page A W Faber "Castell" 390 created.
Graphoplex 612 enhanced Rietz pocket slide rule added to Other General Slide Rules, and gallery page Graphoplex 612 created.
Graphoplex - INSTRUCCIONES GENERALES PARA EL EMPLEO DE LAS REGLAS DE CALCULO DE BOLSILLO (1964+) instruction sheet and care notelet, added to Slide Rule Manuals and linked on Other General Slide Rules page.
03 Sep 2014 Radix 2/10 - System Leibniz - 10-BIT Binary/Decimal Desktop Slide Rule - Instructions for Use (2014) model instructions with examples, added to Slide Rule Manuals and linked on Radix Series Slide Rules page.
30 Aug 2014 Extreme Sliding – Base Jumping with the Radix 2/10 Binary/Decimal Slide Rule (2014) paper with background, design and operation, added to Radix Series Slide Rules page.
07 Jun 2014 A W Faber "Castell" 378 (1932) Electro slide rule added to A W Faber / Faber-Castell Slide Rules, and gallery page A W Faber 378 & A W Faber "Castell" 378.
05 Jun 2014 A W Faber 367 (c1901) enhanced Mannheim slide rule with digit registering cursor, added to A W Faber / Faber-Castell Slide Rules, and gallery page A W Faber 367.
A W Faber 375 (1926) Rietz slide rule including magnifying cursor with sliding half-cylinder lens added to A W Faber / Faber-Castell Slide Rules, and gallery page A W Faber "Castell" 375.
13 May 2014 Corrections to DRGM informamtion for A W Faber 368 and A W Faber 368 Electro slide rules in A W Faber / Faber-Castell Slide Rules page.
07 Apr 2014 A W Faber 367 (c1900) enhanced Mannheim slide rule with digit registering cursor, unlabelled model, added to A W Faber / Faber-Castell Slide Rules, and gallery page A W Faber 367.
A W Faber 367A (c1906) enhanced Mannheim slide rule with digit registering cursor added to A W Faber / Faber-Castell Slide Rules, and new gallery page A W Faber 367A created.
31 Mar 2014 New look launched! All pages updated to a new custom design which is (hopefully) easier to navigate and read.
- New layout, colour scheme and fonts.
- New look header bar and menu bar with site links.
- Added new Side bar with:
  ~ Site navigation and information links in side bar.
  ~ Page content navigation links in side bar.
  ~ External site links in side bar.
Added new Site News page.
Added new Site Map page.
Added new Contact page.
Mar 2014 A W Faber 368 (c1909) Electro slide rule added to A W Faber / Faber-Castell Slide Rules, and gallery page A W Faber 368.
Jan 2014 A2 (2013) Advanced Juggler's Slide Rule with modified construction added to Juggler's Slide Rules - "System Tombeur", and gallery page A2 Juggler's Slide Rule.
Radix Series Slide Rules & "System Leibniz" (2014) desktop 10 bit binary/decimal slide rule page added to Slide Rules page.
RADIX 2/10 - SYSTEM LEIBNIZ (2013) overview document added to Radix Series Slide Rules & "System Leibniz" page.
Dec 2013 Faber-Castell 310/88,89 (c1970-75) overhead projection Reitz & Log Log teaching slide rule added to A W Faber / Faber-Castell Slide Rules, and new gallery page Faber-Castell 310/88,89 created.
Faber-Castell - Gebruiksaanwijzing - No. 57/88 No. 57/89 (1970) instruction document added to Slide Rule Manuals page.
Faber-Castell - Overhead projector demonstration rule information sheet (c1970-75) document added to Slide Rule Manuals page.
A W Faber 339 (1935) Mannheim school slide rule added to A W Faber / Faber-Castell Slide Rules, and gallery page A W Faber 339 .
A W Faber 52/39 (1938) unbranded Mannheim slide rule added to A W Faber / Faber-Castell Slide Rules, and new gallery page A W Faber 52/39 created.
Completed update of better quality and additional detail pictures for all Slide Rules.
Oct 2013 A W Faber "Castell" 344(1922) Rietz variant slide rule added to A W Faber / Faber-Castell Slide Rules, and new gallery page A W Faber "Castell" 344 created.
A W Faber 360 (c1905) enhanced Mannheim slide rule added to A W Faber / Faber-Castell Slide Rules, and gallery page A W Faber 360.
Began update of better quality and additional detail pictures for all Slide Rules.
Added detailed model information tables based on standard template to all rules in A W Faber / Faber-Castell Slide Rules, Other General Slide Rules and Juggler's Slide Rules - "SYSTEM TOMBEUR" pages.
Sep 2013 A W Faber 365 (c1900) enhanced Mannheim slide rule, unlabelled model, added to A W Faber / Faber-Castell Slide Rules, and new gallery page A W Faber 365 created.
Added summary "jump to" tables with key model information to A W Faber / Faber-Castell Slide Rules, Other General Slide Rules and Juggler's Slide Rules - "SYSTEM TOMBEUR" pages.
Aug 2013 Faber-Castell 334/83 (1964) Novo-Duplex demonstration slide rule added to A W Faber / Faber-Castell Slide Rules, and new gallery page Faber-Castell 334/83 created.
May 2013 A W Faber 364A (c1905) enhanced Mannheim slide rule added to A W Faber / Faber-Castell Slide Rules, and new gallery page A W Faber 364A created.
Apr 2013 A W Faber 360 (c1900) enhanced Mannheim slide rule, unlabelled model, added to A W Faber / Faber-Castell Slide Rules, and gallery page A W Faber 360.
A W Faber 363 (c1910-12) enhanced Mannheim slide rule added to A W Faber / Faber-Castell Slide Rules, and updated gallery page A W Faber 363 & A W Faber "Castell" 363.
Juggler's Slide Rule - SYSTEM TOMBEUR - Instructions For Use - Advanced Rules - A2 (2013) document added to Slide Rule Manuals page.
Mar 2013 A W Faber "Castell" 392 (1930) Mathematiker slide rule added to A W Faber / Faber-Castell Slide Rules, and new gallery page A W Faber "Castell" 392 created.
Feb 2013 A W Faber "Castell" 1/54 (1943) Darmstadt slide rule added to A W Faber / Faber-Castell Slide Rules, and new gallery page A W Faber "Castell" 1/54 created.
Jan 2013 A W Faber "Castell" 322 (1935) Disponent (commercial) slide rule added to A W Faber / Faber-Castell Slide Rules, and new gallery page A W Faber "Castell" 322 created.
A W Faber "Castell" 342 "Columbus" (1934) System Rohrberg commercial desktop slide rule added to A W Faber / Faber-Castell Slide Rules, and new gallery page A W Faber "Castell" 342 "Columbus" created.
A W Faber "Castell" 379 (1922) Electro pocket slide rule added to A W Faber / Faber-Castell Slide Rules, and new gallery page A W Faber "Castell" 379 created.
"Juggling Slide Rules" page changed to Juggler's Slide Rules - "System Tombeur", and content updated. Other references to "Juggling Slide Rules" also changed.
A2 (2013) Advanced Juggler's Slide Rule added to Juggler's Slide Rules - "System Tombeur", and new gallery page A2 Juggler's Slide Rule created.
S2 (2013) Simple Juggler's Slide Ruleadded to Juggler's Slide Rules - "System Tombeur", and new gallery page S2 Juggler's Slide Rule created.
S3 (2013) Pocket Simple Juggler's Slide Rule added to Juggler's Slide Rules - "System Tombeur", and new gallery page S3 Juggler's Slide Rule created.
Juggler's Slide Rule - SYSTEM TOMBEUR - Instructions For Use - Simple Rules - S2 & S3 (2013) document added to Slide Rule Manuals page.
Oct 2012 Addo Multo Model 13 Pinwheel Mechanical Calculator page added to Home page.
Sep 2012 A W Faber 339 (1928) Mannheim school slide rule added to A W Faber / Faber-Castell Slide Rules, and new gallery page A W Faber 339 created.
A W Faber 350 (c1893-99) enhanced Mannheim slide rule, unlabelled model, added to A W Faber / Faber-Castell Slide Rules, and new gallery page A W Faber 350 created.
A W Faber 367 (c1910-12) enhanced Mannheim slide rule with digit registering cursor added to A W Faber / Faber-Castell Slide Rules, and new gallery page A W Faber 367 created.
Instructions For The Use Of A.W. Faber's Improved Calculating Rule (pre 1910?) document added to Slide Rule Manuals page.
Aug 2012 A W Faber "Castell" 345 (1927) System Hohenner barometric slide rule added to A W Faber / Faber-Castell Slide Rules, and new gallery page A W Faber "Castell" 345 created.
A W Faber "Castell" 369 (1925) enhanced Mannheim pocket slide rule added to A W Faber / Faber-Castell Slide Rules, and new gallery page A W Faber "Castell" 369 created.
A W Faber Castell 394/N (1935) Rietz slide rule added to A W Faber / Faber-Castell Slide Rules, and new gallery page A W Faber "Castell" 394/N created.
Jul 2012 A W Faber "Castell" 363 (1933) enhanced Mannheim slide rule added to A W Faber / Faber-Castell Slide Rules, and new gallery page A W Faber "Castell" 363 created.
A W Faber "Castell" 376 (1931) Rietz variant slide rule added to A W Faber / Faber-Castell Slide Rules, and new gallery page A W Faber "Castell" 376 created.
Faber-Castell - Instructions - Precision Slide Rules for Mechanical, Constructional and Electrical Engineers (1968) document added to Slide Rule Manuals page.
Faber-Castell - Instructions for Use of CASTELL Precision Slide Rules - "BUSINESS" (1968) document added to Slide Rule Manuals page.
Jun 2012 A W Faber 363 (c1901) enhanced Mannheim slide rule, unlabelled model, added to A W Faber / Faber-Castell Slide Rules, and gallery page A W Faber 363.
A W Faber "Castell" 375 (1921) Rietz slide rule added to A W Faber / Faber-Castell Slide Rules, and gallery page A W Faber "Castell" 375.
A W Faber 51/91/309 (1938) enhanced Mannheim school slide rule added to A W Faber / Faber-Castell Slide Rules, and new gallery page A W Faber 51/91/309 created.
Scalextric C276 Speed Computer circular slide rule page added to Other Manufacturer's Slide Rules page.
May 2012 A W Faber 361 (c1910-12) Mannheim, school slide rule added to A W Faber / Faber-Castell Slide Rules, and new gallery page A W Faber 361 created.
A W Faber "Castell" 375 (1933) Rietz slide rule added to A W Faber / Faber-Castell Slide Rules, and new gallery page A W Faber "Castell" 375 created.
A W Faber "Castell" 389 (1930) enhanced Mannheim mini slide rule added to A W Faber / Faber-Castell Slide Rules, and new gallery page A W Faber "Castell" 389 created.
Globemaster No 62200 Log Log slide rule added to Other Manufacturers, and new gallery page Globemaster No 62200 created.
Globemaster NO. 6220 plastic Slide Rule - How to use document added to Slide Rule Manuals page.
Pickett N600-ES (c1962-66 ) Log Log pocket slide rule added to Other Manufacturers, and new gallery page Pickett N600-ES created.
Steel Dominoes (2012) page added to Home page.
Apr 2012 A W Faber 378 (c1910-12) Electro slide rule added to A W Faber / Faber-Castell Slide Rules, and new gallery page A W Faber 378 created.
Slide Rule Manuals page added to Slide Rules page.
Instructions For The Use Of A.W. Faber's Improved Calculating Rule (c1910-12) document added to Slide Rule Manuals page.
Instructions For The Use Of A.W. Faber's Improved Calculating Rule No 378 For Electrical And Mechanical Engineers (c1910-12) document added to Slide Rule Manuals page.
A W Faber "Castell" 387 (1931) enhanced Rietz slide rule added to A W Faber / Faber-Castell Slide Rules, and new gallery page A W Faber "Castell" 387 created.
Feb 2012 Siteswap Pattern Model (2012) content added to Siteswap Pattern Tools, and new gallery page Siteswap Pattern Model created.
Steel & Brass Skeleton Dice (2012) added to Skeleton Dice, and new gallery page Steel & Brass Skeleton Dice created.
Jan 2012 Siteswap Pattern Tools page added to Juggling page.
Siteswap Pattern Plot (2011) content added to Siteswap Pattern Tools, and new gallery page Siteswap Pattern Plot created.
Dec 2011 Site created! Content:
Home page.
Slide Rules page.
- A W Faber / Faber-Castell Slide Rules page.
- Other General Slide Rules slide rules page.
- Dring & Fage Spirit Excise Rule (c1800-50) page.
Juggling page.
- Juggling Slide Rules page.
Skeleton Dice page.
1910 Colchester Lathe page.
A W Faber-Castell 1/92 (c1952) Log Log slide rule added to A W Faber / Faber-Castell Slide Rules, and new gallery page A W Faber-Castell 1/92 created.
A W Faber 360 (c1910-12)enhanced Mannheim slide rule added to A W Faber / Faber-Castell Slide Rules, and new gallery page A W Faber 360 created.
A W Faber 368 (c1906) Electro slide rule, unlabelled model, added to A W Faber / Faber-Castell Slide Rules, and gallery page A W Faber 368.
A W Faber "Castell" 386 (1935) Rietz pocket slide rule added to A W Faber / Faber-Castell Slide Rules, and new gallery page A W Faber "Castell" 386 created.
A W Faber "Castell" 398 (1929) Electro slide rule added to A W Faber / Faber-Castell Slide Rules, and new gallery page A W Faber "Castell" 398 created.
The Technical Standard Slide Rule Log Log slide rule added to Other Manufacturers, and new gallery page The Technical Standard Slide Rule created.
Unique Universal I Log Log slide rule added to Other Manufacturers, and new gallery page Unique Universal I created.
Simple (2011) Juggling Slide Rule added to Juggling Slide Rules, and new gallery page Simple Juggling Slide Rule created.
Complex (2011) Juggling Slide Rule added to Juggling Slide Rule, and new gallery page Complex Juggler's Slide Rule created.
Juggling Slide Rules (2011) description and instructions document added to Juggling Slide Rules page.
Wooden Skeleton Dice (2011) added to Skeleton Dice, and new gallery page Wooden Skeleton Dice created.
Steel Skeleton Dice (2011) added to Skeleton Dice, and new gallery page Steel Skeleton Dice created.
Wooden Skeleton Dice 2 (2011) added to Skeleton Dice, and new gallery page Wooden Skeleton Dice 2 created.

Count Belmiro © Copyright December 2011 -
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