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A W Faber 364
(25cm Scale, Enhanced Mannheim)
Examples: c1906, c1908-9
Version Comparison
Two examples of the model fully detailed below, one mid-model lifespan and one at the end, differences summarised as follows:
Click on a column heading to jump down to version images and detailed description.
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c1906 |
c1908-9 |
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p/4 Gauge Mark:
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A & B
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-
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Stock Form:
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Single piece
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2-part
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Stock Flex:
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Longitudinal slits
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Celluloid sprung
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Bracing:
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-
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Longitudinal, metal
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Celluliod Fixing:
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-
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Wooden pins
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Cursor Window:
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Round cornders
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Square corners
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Brand & Model:
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Brand only
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Both
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Click on the images for enlargements.
A W Faber 364 (c1906) |
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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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Boxwood
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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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7
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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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German
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Origin:
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-
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Date:
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c1906
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Features/Notes:
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Boxwood springs in well. Unlabelled model. Sold by GEBR WICHMANN BERLIN.
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Scales (colours as shown)
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Front:
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A [ B, C ] D
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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
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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
p/4 (0.785) on A & B
C (1.13) on C & D
C1 (3.57) on C & D
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Rulers:
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cm on top edge
cm on bottom edge
cm continuation in well for longer measurements
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Features/Notes:
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There are gauge marks on the A & B scales, without labels, corresponding to the 28.7 and 736 gauge marks from an electro rule. It is believed that these marks are aberations, the scales originally being intended for a model 368 electro rule.
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Construction
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Stock:
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Single piece solid stock with 2 longitudinal slits cut in well.
Boxwood springs in the well, in the slide groove of the upper rail of the stock (DRGM 98350, 1898).
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.
Length x Width x Height (mm) - 280 x 33 x 9
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Slide:
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Double sided
Celluliod faced on both sides
Front face width (mm) - 11.5
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Cursor:
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Aluminium frame, glass pane.
Rounded window.
Centre riveted steel spring on top runner.
Single central full length hairline.
Width x Height (mm) - 30 x 32
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Printing (colours as shown)
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Stock:
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"A.W. FABER." on front lower rail in the centre, sans-serif.
"GEBR. WICHMANN. BERLIN." on right of front lower rail, sans-serif.
"Quot. +1" and "Prod. -1" on the left and right ends respectively of the front lower stock rail, sans-serif.
+|- arrow symbols on the left and right ends of the front upper stock rail.
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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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Flat-round
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L x W x D mm:
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295 x 48 x18
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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.
Cloth covered.
Metal braced ends (missing).
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Printing:
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"GEBR. WICHMANN" and underneath "BERLIN. N.W. 6." on the front.
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Labels:
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None on back, none seen on ends.
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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.
Click on the images for enlargements.
Click on the images for enlargements.
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Click on the images for enlargements.
A W Faber 364 (c1908-9) |
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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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Boxwood
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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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7
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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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c1908-9
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Features/Notes:
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Boxwood springs in well.
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Scales (colours as shown)
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Front:
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A [ B, C ] D
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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
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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 on bottom edge
cm continuation in well for longer measurements
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Features/Notes:
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-
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Construction
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Stock:
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2 part split stock joined with celluloid (DRGM 306107, 1907).
Braced with longitudinal metal strips (DRP 206428, 1908).
Boxwood springs in the well, in the slide groove of the upper rail of the stock (DRGM 98350, 1898).
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 33 x 9
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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) - 11.5
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Cursor:
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Aluminium frame, glass pane.
Square window.
Centre riveted steel spring on top runner.
Single central full length hairline.
Width x Height (mm) - 29 x 30
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Printing (colours as shown)
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Stock:
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"364 * A.W. FABER.", "D.R. PATENT. No 206428." & "D.R.G.M. 371190." on front lower rail in the centre, sans-serif.
"Quot. +1" and "Prod. -1" on the left and right ends respectively of the front lower stock rail, sans-serif.
+|- arrow symbols on the left and right ends of the front upper stock rail.
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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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295 x 47 x 27
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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.
Cloth covered.
Metal braced ends.
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Printing:
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"A.W. FABER." and underneath "D.R.P. No 206428" followed by "MADE IN BAVARIA." on the front.
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Labels:
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None on back, none seen on ends.
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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.
Click on the images for enlargements.
Click on the images for enlargements.
Click on the images for enlargements.
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