A W Faber "Castell" 369

(12.5cm Scale Pocket rule, Enhanced Mannheim)
Examples: 1925, 1927

Version Comparison
Two virtually identical mid to late examples of the model fully described below, differences summarised as follows:
Click on a column heading to jump down to version images and detailed description.
1925 1927
DRGM Labelling: Well, centre, above split Well, centre, below split
Origin Labelling: Well, centre, below split Back, centre, below split
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A W Faber "Castell" 369 (1925)
Image
Image Summary
System: Enhanced Mannheim
Specialization: -
Type: Closed frame
Material: Pearwood
Facings: Celluliod
Scale Length: 12.5cm No of Scales: 7
Front Length: 150mm Front Width: 23mm
Language: English Origin: Bavaria
Date: 1925, July
Features/Notes: Pocket rule
Scales (colours as shown)
Front: A [ B, C ] D Back: [ S, L, T ]
Labels Left: - Labels Left: All, as scales
Labels Right: - Labels Right: All, as scales
Style: Railway track Typeface: Serif
Extensions: - Decimals: As units between 1 & 2 on C & D
Gauge Marks: p (3.14) on A, B, C & D Rulers: inch on top edge
cm on bottom edge
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.
Flat back.
Front, well, top and bottom edges celluloid faced, secured with wooden pins (DRGM 371190, 1908).
Length x Width x Height (mm) - 150 x 28 x 10
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) - 10.5
Cursor: Aluminium frame, glass pane.
Square window.
Centre riveted steel spring on top runner.
Single central full length hairline.
Width x Height (mm) - 25 x 26
Printing (colours as shown)
Stock: "369 * A.W.FABER" + ""CASTELL"" between lying castles + "D.R. PATENT. No 206428" in the centre of well above the split, sans-serif.
"MADE IN BAVARIA" in the centre of well below the split, sans-serif.
Slide: -
Cursor: "MADE IN BAVARIA" stamped on the bottom edge, sans-serif.
Labels: None
Instructions
None
Box (colours as shown)
Style: Rounded L x W x D mm: 156 x 40 x 20
Material: Cardboard Colour: Black
Construction: 2 part, internal sleeve join.
Faced.
Metal braced ends.
Printing: "A.W. FABER." and underneath "D.R.P No 206428" impressed on the front.
Labels: "369" with solid border and "MADE IN BAVARIA" smaller underneath on white, on right end (ends damaged).
Detail Images
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Click on the images for enlargements.
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A W Faber "Castell" 369 (1927)
Image
Image Summary
System: Enhanced Mannheim
Specialization: -
Type: Closed frame
Material: Pearwood
Facings: Celluliod
Scale Length: 12.5cm No of Scales: 7
Front Length: 150mm Front Width: 23mm
Language: English Origin: Bavaria
Date: 1927, October
Features/Notes: Pocket rule
Scales (colours as shown)
Front: A [ B, C ] D Back: [ S, L, T ]
Labels Left: - Labels Left: All, as scales
Labels Right: - Labels Right: All, as scales
Style: Railway track Typeface: Serif
Extensions: - Decimals: As units between 1 & 2 on C & D
Gauge Marks: p (3.14) on A, B, C & D Rulers: inch on top edge
cm on bottom edge
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.
Flat back.
Front, well, top and bottom edges celluloid faced, secured with wooden pins (DRGM 371190, 1908).
Length x Width x Height (mm) - 150 x 28 x 10
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) - 10.5
Cursor: Aluminium frame, glass pane.
Square window.
Left end riveted steel spring on top runner (spring missing).
Single central full length hairline.
Width x Height (mm) - 25 x 26
Printing (colours as shown)
Stock: "369 * A.W.FABER" + ""CASTELL"" between lying castles in the centre of well above the split, sans-serif.
"D.R. PATENT. No 206428" in the centre of well below the split, sans-serif.
"MADE IN BAVARIA" stamped in the centre of the back just below the split, sans-serif.
Slide: -
Cursor: "MADE IN BAVARIA" stamped on the bottom edge, sans-serif.
Labels: None
Instructions
None
Box (colours as shown)
Style: Rounded L x W x D mm: 160 x 42 x 18
Material: Cardboard Colour: Black
Construction: 2 part, internal sleeve join.
Faced.
Metal braced ends.
Printing: "A.W. FABER" and underneath scales logo then "D.R.P. No 206428" beneath that on the front.
Labels: "369" with "MADE IN BAVARIA" smaller underneath on black, on right end.
Detail Images
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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