Other Manufacturer's Slide Rules

Here are a few other general rules I have. Multiple entries within a model number indicates multiple versions/examples. The Technical Standard was the first slide rule thay I bought, before deciding to focus on the earlier Fabers. Whilst not actively seeking to expand in this area, I will add to it as and when I come across other slide rules or particular examples that appeal.
Models Summary
Multiple entries within a model indicates multiple versions/examples. Click on a model to jump down to its description:

Brand Model No Description Material╣ Scale▓ 
cm 
(Top Face Length x Width mm) Year  (years
produced)
British Slide Rule Co. Technical Standard Log Log   W/C 25  (302 x 35) (c1944-??)
Dring & Fage Spirit Excise Alcohol Proof   I 7.1"  (186 x 35) c1800-50  (?)
Globemaster No 62200 Enhanced Mannheim, pocket   P 12.5  (150 x 27) (?)
Graphoplex 612 Enhanced Rietz, pocket   P 12.5  (152 x 28) (?)
Pickett N600-ES Log Log, pocket   A 12.5  (140 x 27.5) c1962-66  (?)
Scalextric Speed Computer Circular   D 9.4"  (ě 5") ? (?)
Unique Universal I Log Log   W/C 10"  (290 x 37) (?)

╣ A = Aluminium; C = celluloid; D = cardboard; I = ivory; L = painted; P = plastic; W = wood; X = Perspex
▓ For circular models this is the circumference where 'stock' and 'slide' meet.
Models by Type
Mannheim (A [ B, C ] D Scales)
Click model header to go to model page with detailed descriptions, comparisons and photo gallery,
or click image to go to version on that page.
12.5cm Scale Length (Pocket rule)
System Rietz (K & L scales on front)
Click model header to go to model page with detailed descriptions, comparisons and photo gallery,
or click image to go to version on that page.
12.5cm Scale Length (Pocket rule)
Log Log (LL Scales)
Click model header to go to model page with detailed descriptions, comparisons and photo gallery,
or click image to go to version on that page.
Click model header to go to model page with detailed descriptions, comparisons and photo gallery,
or click image to go to version on that page.
10" Scale Length
Duplex (Double sided)
Click model header to go to model page with detailed descriptions, comparisons and photo gallery,
or click image to go to version on that page.
Alcohol Proof (Customs & excise)
Click model header to go to model page with detailed descriptions, comparisons and photo gallery,
or click image to go to version on that page.
7.1" Scale Length (Proof scale)
Circular (Continuous Scale)
Click model header to go to model page with detailed descriptions, comparisons and photo gallery,
or click image to go to version on that page.
9.4" (ě 3") Scale Length (Seconds & Metres scales)
Count Belmiro © Copyright December 2011 - July 2015
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