A W Faber "Castell" 387

(25cm Scale, System Rietz, Enhanced)

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A W Faber "Castell" 387 (1931)
Image
Image Summary
System: Enhanced Rietz
Specialization: -
Type: Closed frame
Material: Pearwood
Facings: Celluliod
Scale Length: 25cm No of Scales: 10
Front Length: 305mm Front Width: 35mm
Language: German Origin: -
Date: 1931, March
Features/Notes: -
Scales (colours as shown)
Front: K, A [ B, CI, C ] D, L Back: [ S, S&T, T ]
Labels Left: - Labels Left: All, as scales
Labels Right: - Labels Right: All, as scales
Style: Railway track Typeface: Sans-serif
Extensions: A, B, CI, C & D beyond 1 & 10 in red Decimals: As units between 1 & 2 on CI, C & D
Gauge Marks: p (3.14) on A, B, C & D
M (1/p=0.318) on A & B
C (1.13) on C
C1 (3.57) on C
Rulers: cm on top edge
1:25 on bottom edge, labelled.
cm continuation in well above the split for longer measurements
Features/Notes: Numbers on CI scale printed in red.
Construction
Stock: 2 part split stock joined with steel springs (DRGM 522689, 1912; DRGM 452965, 1911).
Braced with longitudinal metal strips (DRP 206428, 1908).
Left and right viewing cutouts with index marks, in back for reverse of slide.
Bevelled top edge, square bottom edge.
High cursor grooves both cut parallel to front face.
Shallow rebate in back .
Front, well, top and bottom edges celluloid faced, secured with wooden pins (DRGM 371190, 1908).
Length x Width x Height (mm) - 305 x 41 x 11
Slide: Double sided
Braced with longitudinal metal strips (DRP 206428, 1908)
Celluliod faced on both sides, secured with wooden pins (DRGM 371190, 1908)
Front face width (mm) - 14.5
Cursor: Missing.
Printing (colours as shown)
Stock: "387" + scales logo + "A.W.FABER" + ""CASTELL"" between lying castles in the centre of well below the split, sans-serif.
"D.R.P." in the well below the split towards the right, sans-serif.
"SYSTEM RIETZ" in the well below the split on the right, sans-serif.
"Quot. +1" and "Prod. -1" on the left and right ends respectively of the front lower stock rail, sans-serif.
Slide: -
Cursor: -
Labels: On back, paper table featuring conversions and mathematical and physical constants.
Instructions
None
Box (colours as shown)
Style: Square L x W x D mm: 312 x 50 x 18
Material: Cardboard Colour: Black
Construction: 2 part, internal sleeve join.
Faced.
Poor condition, taped.
Printing: scales + "A.W. FABER" ""CASTELL"" logo on the front.
Round indentations on the front either side of the opening.
Labels: "398" and "MADE IN BAVARIA" smaller underneath on black, on right end (ends damaged).
Detail Images
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