Graphoplex 612

(12.5cm Scale Pocket rule, System Rietz, Enhanced)

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Graphoplex 612
Image
Image Summary
System: Enhanced Rietz
Specialization: -
Type: Closed frame
Material: Plastic
Facings: -
Scale Length: 12.5cm No of Scales: 10
Front Length: 152 Front Width: 28
Language: Spanish Origin: France
Date: ?
Features/Notes: Pocket rule.
Scales (colours as shown)
Front: K, A [ B, CI, C ] D, L Back: [ S, ST, T ]
Labels Left: All, as scales. Labels Left: All, as scales.
Labels Right: X3, X2 [ X2, 1/x, X ] X Labels Right: [ Sin 0.1 x, Sin tg 0.01 x, Tg 0.1 x ]
Style: Normal Typeface: Sans-serif
Extensions: A, B, CI, C & D beyond 1 & 10 Decimals: As units between 1 & 2 on C, CI & D
Gauge Marks: p (3.14) on A, B, CI, C & D
C (1.13) on C & D
r" (2063) on C & D
r (3438) on C & D
r,, (6366) on C & D
Rulers: cm on top edge flange
Features/Notes: S, ST & T scales have decimal divisions.
Numbers for cos on S in italics.
Numbers for cot on T in italics.
Construction
Stock: Laminated(?) plastic.
Rounded outside corners, bevelled inside corners for slide.
2 x steel bracing/spring strips in well, one near each end. Approx 3mm wide, full width of stock, each with a small home in the centre.
Finger cut-out in left end of well.
Right end features large cut-out and clear plastic window with red hairline for reading scales on reverse of slide. Window also has larger finger cut-out.
Central cursor grooves.
No bevelled edges, but top edge has a 5mm lip for the ruler.
Length x Width x Height (mm) - 152 x 33 x 4.5
Slide: Double sided.
Bevelled corners.
Laminated(?) plastic.
Front face width (mm) - 12
Cursor: Magnifying pane, approx 1mm thick at edges and 3mm thick in centre.
Separate top and bottom clear plastic runners fixed to pane.
Single off-centre full length black hairline.
3 x black partial hairlines:
- 1 for A & B scales left of full hairline
- 1 for C & D scales left of full hairline
- 1 for C & D scales right of full hairline
Centrally located steel spring in top runner.
Width x Height (mm) - 23 x 34
Printing (colours as shown)
Stock: Graphoplex logo on front, left end of upper stock rail.
"BREVETE S.G.D.G" and "MADE IN FRANCE" on front, right end of upper stock rail.
"Quot. +1" and "Prod. -1" on front, left and right ends respectively of lower stock rail.
Slide: "612" vertically on front, left end.
Cursor: -
Labels: -
Instructions
Double-sided spanish language instruction sheet and small multi-language care notelet, seen here.
Box (colours as shown)
Style: 1. Flat pocket.
2. Sales packaging.
L x W x D mm: 1. 165 x 50
2. 170 x 53 x 14
Material: 1. Leather
2. Cardboard
Colour: 1. Brown
2. White with pink top and bottom edges.
Construction: 1. Two piece, sewn, open at the top and approx 30mm down each side to create flaps for access.
2. Box.
Printing: 1. "|612|" in centre top flap on one side.
2. Front & back: Drawing of the slide rule with large Graphoplex logo in the centre.
Top and bottom edges: "REGLES A CALCULS - INSTRUMENTS DE DESSIN" and underneath "PRECISION - SPABILITE - LISIBILITE" all in inverse print (white on pink).
Right end flap: small Graphoplex logo at right end.
Left end flap: small Graphoplex logo at right end, and "612" stamped towards the left end.
Labels: None
Detail Images
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Count Belmiro © Copyright September 2014 - July 2015
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