Juggling Slide Rule - Simple

(24.4cm Scale, Prototype)

Click on the images for enlargements.
Juggling Slide Rule - Simple (2011)
Image
Image Summary
System: System Tombeur prototype
Specialization: Juggling
Type: Closed frame
Material: Mahogany laminate
Facings: Perspex/paper
Scale Length: 24.4cm No of Scales: 6
Front Length: 270mm Front Width: 36mm
Language: English Origin: England
Date: 2011, October
Features/Notes: Basic Juggler's slide rule, superceded by model S2.
Scales (colours as shown)
Front: A, A [ C, C ] 1, 2 Back: -
Labels Left: - Labels Left: -
Labels Right: HEIGHT [ BEAT TIME ] BALLS/THROW Labels Right: -
Style: Railway track Typeface: Serif
Extensions: - Decimals: Integers on C labelled as tenths
Tenths between 1 & 2 on C labelled as hundredths
Gauge Marks: - Rulers: -
Features/Notes: 3 distinct scales since each of 'HEIGHT', 'BEAT TIME' and 'BALLS/THROW' are double scales.
Printed on paper with Perspex facing.
C scale numbers are labelled as x/10
1 & 2 scales (labelled 'BALLS/THROW') are the same specialist index scale of throw weights in a juggling pattern.
Labels are printed to the right of the centre screws.
Construction
Stock: Solid stock constructed from laminated 4mm thick mahogany strip to make well and slide and cursor grooves.
Upper and lower rails equal widths (mm) - 12
Front faced with 1mm Perspex.
Paper scales and Perspex fixed with clear glue and anchored with M1.2 machine screws, one each at left end, centre and right end of each stock rail (6 in total).
Mid level cursor grooves.
No bevel to top and bottom edges.
Shallow rebate in back for paper tables.
Fully varnished (excluding Perspex).
Length x Width x Height (mm) - 270 x 36 x 13
Slide: Single sided
Constructed from laminated 4mm mahogany strip to form locating tongue.
Front faced with 1mm Perspex.
Paper scales and Perspex fixed with clear glue and anchored with M1.2 machine screws, one each at left end, centre and right end (3 in total).
Fully varnished (excluding Perspex).
Front face width (mm) - 12
Cursor: Single central black hairline.
3mm thick Perspex pane attached to seperate top and bottom runners.
Runners fashioned from beechwood block.
Fully varnished (excluding Perspex).
Pane attached to runners with 4 x M1.2 machine screws, one in each corner.
Steel spring on top runner, mounted at left end with a M1.2 machhine screw.
Width x Height (mm) - 19 x 48
Printing (colours as shown)
Stock: -
Slide: -
Cursor: -
Labels: On back, summary instructions with footer "SIMPLE JUGGLING SLIDE RULE - COLIN TOMBEUR OCT 2011"
Instructions
Guide to Simple and Complex Juggling slide rules can be downloaded from the link above
Box (colours as shown)
Style: None L x W x D mm: -
Material: - Colour: -
Construction: -
Printing: -
Labels: -
Detail Images
Click on the images for enlargements.
Click on the images for enlargements.
Click on the images for enlargements.
Count Belmiro © Copyright December 2011 - July 2015
Design | HTML