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A W Faber "Castell" 344
(25cm Scale, Enhanced Mannheim)
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A W Faber "Castell" 344 (1922) |
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Summary
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System:
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Enhanced Mannheim
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Specialization:
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-
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Type:
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Closed frame
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Material:
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Pearwood
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Facings:
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Celluliod
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Scale Length:
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25cm
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No of Scales:
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8
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Front Length:
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280mm
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Front Width:
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27.5mm
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Language:
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English
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Origin:
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Bavaria
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Date:
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1922, November
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Features/Notes:
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-
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Scales (colours as shown)
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Front:
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A [ B, C ] D | K
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Back:
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[ S, L, T ]
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Labels Left:
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-
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Labels Left:
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All, as scales
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Labels Right:
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-
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Labels Right:
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All, as scales
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Style:
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Railway track (double)
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Typeface:
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Serif
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Extensions:
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-
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Decimals:
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As units between 1 & 2 on C & D
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Gauge Marks:
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p (3.14) on A & B
M (1/p=0.318) on A & B
C (1.13) on C & D
C1 (3.57) on C & D
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Rulers:
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inch on top edge
cm continuation in well for longer measurements
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Features/Notes:
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Oddly, there is a cm continuation scale in the well but no other cm scale, which usually appears on the top or bottom edge.
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Construction
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Stock:
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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) - 280 x 34 x 10
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Slide:
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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
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Cursor:
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Missing.
Would feature an extension tab on bottom runner with index for K scale.
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Printing (colours as shown)
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Stock:
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"344 * A.W. FABER" + ""CASTELL"" between lying castles on front lower rail in the centre, sans-serif.
"D. R. PATENT. No 206428" on front lower rail towards the left end, sans-serif.
"MADE IN BAVARIA" on front lower rail towards the right end, sans-serif.
"Quot. +1" and "Prod. -1" on the left and right ends respectively of the front lower stock rail, sans-serif.
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Slide:
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-
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Cursor:
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-
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Labels:
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On back, paper table featuring conversions and mathematical and physical constants.
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Instructions
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None
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Box (colours as shown)
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Style:
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Rounded
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L x W x D mm:
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290 x 45 x 20
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Material:
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Cardboard
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Colour:
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Black
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Construction:
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2 part, internal sleeve join.
Faced.
Metal braced ends.
Poor condition, most of the black as come off, having been covered in tape at some time.
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Printing:
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"A.W. FABER" and underneath to the left "D.R.P. No 206428" on the front, very faded.
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Labels:
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Large advertising on back, probably originally red/green on white but impossible to tell as top face has come off having been heavily taped.
"344" and "MADE IN BAVARIA" smaller underneath with solid border on white, model number sticker remnant on right hand end.
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Detail Images
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Click on the images for enlargements.
Click on the images for enlargements.
Click on the images for enlargements.
Click on the images for enlargements.
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