A W Faber "Castell" 394/N

(25cm Scale, System Rietz, Long body)

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A W Faber "Castell" 394/N (1935)
Image
Image Summary
System: Rietz
Specialization: -
Type: Closed frame
Material: Pearwood
Facings: Celluliod
Scale Length: 25cm No of Scales: 9
Front Length: 300mm Front Width: 32mm
Language: German Origin: -
Date: 1935, December
Features/Notes: -
Scales (colours as shown)
Front: K, A [ B, 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: - Decimals: As units between 1 & 2 on 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
r" (2063) on C & D
r' (3438) on C & D
Rulers: cm on top edge
1:25 on bottom edge, labelled.
Features/Notes: -
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) - 300 x 39 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) - 12
Cursor: Aluminium frame, glass pane.
Square window.
Left end riveted steel spring on top runner.
Three non-eqidistant full length hairlines.
Width x Height (mm) - 41 x 37
Printing (colours as shown)
Stock: "394/N" + scales logo + "A.W. FABER" + ""CASTELL"" between lying castles in the centre of the well above the split, sans-serif.
"D.R.G.M." in the centre of the well below the split, sans-serif.
"SYSTEM RIETZ" in the well above the split towards the right, sans-serif.
Slide: -
Cursor: "W" stamped on the front of the top runner above the left hairline.
"PS" and "q" stamped on the front of the top runner above the centre hairline.
"d" stamped on the edge of the bottom runner below the right hairline.
"52" stamped on the top edge.
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: 310 x 50 x 20
Material: Cardboard Colour: Black
Construction: 2 part, internal sleeve join.
Faced.
Printing: "A.W. FABER" and underneath scales logo then "D.R.P." beneath that on the front.
Round indentations on the front either side of the opening.
Labels: "387" on black, on right end.
Detail Images
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