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A.W. Faber-Castell: Nijgh & Van Ditmar

A.W. Faber-Castell Nijgh & Van Ditmar

Details of: A.W. Faber-Castell - Nijgh & Van Ditmar

Type? A generic name (e.g. Rietz) or function/use for specialist models (e.g. Meteorology) for grouping similar models across makers. If not “standard” 25cm linear length, preceded by the form (i.e. Demonstration, Desktop, Pocket, Waistcoat, Keyring, Lilliput or Book) + if needed, qualification to distinguish between versions (e.g. early or late). Technical
Sort? L/C/D/T/W/X where L=Linear, C=circular, D=Drum, T=tubular, W=watch, X=miscellaneous (i.e. the rest) L
Construction? Basic construction form of the body i.e. Closed/solid frame or Open frame or Duplex or Other Closed/solid frame
Material? Basic description: ivory/bone/wood/bakelite/plastic/metal/cardboard or combinations e.g. wood/veneered, wood/painted, etc plastic
Length? Mostly the linear length of the D scale (in cm or inches) excluding any extensions. For circular/watch slide rules it is the diameter but for helical/tubular/drum slide rules it is the overall scale length. For other calculating aids it is the physical length. 25cm
Scales front? Standard (not maker’s) symbols for scales on front face e.g. A = X² (1-100) but § = generic symbol (signum sectiōnis) for any non-standard scale + scales between solidi / / are on the slide(s) whereas scales after vertical line | or after reversed solidus \ are on a straight or bevelled top or bottom side edge cm \ A,DF / CF,L,CI,C / D,K
Scales back? Standard (not maker’s) symbols for scales on back face e.g. S = sine (5° to 90° & 85° to 0°) or sin(x) but § = generic symbol (signum sectiōnis) for any non-standard scale + scales between solidi / / are on the back of slide(s) but scales listed after / / - notation are on another surface e.g. back of stock or inside a lid / S,ST,T /
Cursor type? Basic description (incl. material) + no. of hairlines, etc on any cursor(s) or alternative to a cursor - e.g. a stylus plastic - 1 hairline + peripheral hairlines
Condition? Cn where n = 0-6  condition/quality scale where 0 = brand new in box & 6 = broken   C3
Date? YYYY for year(s) of production or an approximation/range of years 1970
Extras? Basic description of any accessories - e.g. case or stand + where relevant, an accreditation for image, etc light green F-C plastic box - image from arc.reglasdecalculo.org
Instructions? Details like “on back of rule” and/or language of instruction sheet/booklet - generic or instructions for common layouts usually not listed Basic pictogram instructions on back
Comments ? Any special or noteworthy traits + significant use-related facts + pertinent details of scales/tables in well of stock + any significant tables, etc on the back of the stock

Unbranded special commission for Dutch publisher Nijgh & Van Ditmar (founded in 1843 & still operating) - standard scale layout but for folded scales - reputedly complemented a book on calculating tips & tricks (incl. folded scales speeding up certain calculations) - pictograms on back same as model 57/86

In-Out? MM-YYYY / MM-YYYY of the date added/left the collection or <YYYY if exact MM-YYYY no longer known <2000/

All of:  A.W. Faber-Castell new search?

ModelType
1/22 Business - late export
1/22 Business - late
1/22 Business - early
1/22A Business Addiator
1/27 Technical/Business
1/28 Super Business - late
1/44 EKAGNOST Cardiology - System Dr. Sandera
1/48 Machining - System Dr. Winkel
1/54 (ver. 1) Darmstadt
1/54 (ver. 2) Darmstadt
1/54m Darmstadt
1/60 Enhanced Mannheim
1/60/360 Enhanced Mannheim
1/77 System Pickworth-like
1/78/378 Electro
1/87 (ver. 2) Rietz
1/87 (ver. 3) Rietz
1/87/387 Rietz
1/87A Rietz Addiatior
1/87m Rietz
1/92 Log-Log
1/94 Rietz "Kiel"
1/98 (ver. 1) Electro
1/98 (ver. 2) Electro
1/98/398 Electro
11/54 Darmstadt
11/98 Electro
111/22 Business
111/38 Stadia Topography - 400g
111/54 Darmstadt
111/54 Darmstadt - late
111/54A Darmstadt Addiator - late
111/66 (ver. 1) DEMEGRAPH Printing - System Schirmer
111/87 Rietz
111/87A Rietz Addiatior
111/98 Electro
12/82 Technical/Log-Log Export
152/81 Technical two-tone
152/82 (ver. CH) School D-Stab
157/87 School Rietz - black
157/87 School Rietz
157/89 Log-Log
157/89 Log-Log - black
2/62 Extra long Reinforced Concrete - System Dywidag
2/66 DEMEGRAPH 13 Printing - System Schirmer
2/82 Technical/Log-Log
2/82N Technical/Log-Log
2/83 Technical/Log-Log long-scale
2/83N Technical/Log-Log long-scale
2/84 Mathema Hyperbolic
20/45 Bio-Rhythmograph Biology
20/66 DEMEGRAPH Typometer printing
20/66 SL DEMEGRAPH Typometer printing
20/68 Parifix Conversion
20/70 Universal/Technical
3/11 Desktop Structural Engineering
3/31 Desktop Reinforced Concrete
300586 S Waldner Pocket Notepad Wallet Rietz (67/87)
310/52 Demonstration OHP School D-stab/Log-Log
310/87 Demonstration OHP School Rietz
310/88,89 Demonstration OHP School Rietz-N/Log-Log
334/52 Demonstration School D-Stab/Log-Log
334/87 Demonstration Rietz
342 (ver. 2) Desktop Columbus Business long-scale - System Rohrberg
344 Rietz-like
360 (ver. 1) Enhanced Mannheim - early
360 (ver. 1) Enhanced Mannheim
360 (ver. 2) Enhanced Mannheim
360 (ver. 3) Enhanced Mannheim
361 Mannheim (double bevelled-edged)
361 (ver. 1) Mannheim
361 (ver. 2) Mannheim
363 Enhanced Mannheim
367 Enhanced Mannheim
369 Pocket Enhanced Mannheim
375 (ver. 1) Rietz
375 (ver. 2) Rietz
378 Electro
379 Pocket Electro
379 Pocket Electro - early
385N Desktop Rietz
387 Rietz
389 Lilliput Enhanced Mannheim
392 Log-Log
398 Electro
4/22 Desktop Business
4/38 Desktop Stadia Topography - 360g
4/54 Desktop Darmstadt - early
4/54 Desktop Darmstadt
4/60 Desktop Enhanced Mannheim
4/87 Desktop Rietz
4/92/382 Desktop Log-Log
4/98 Desktop Electro
44/87 Desktop Rietz
52/80 Mentor two-tone
52/81 (ver. CH) Technical
52/81 Technical
52/82 School D-Stab/Log-Log
52/82 (ver. CH) School D-Stab/Log-Log
52/82 School D-Stab/Log-Log - early
57/22 School Business two-tone​
57/22W Pipe Flow
57/67 (ver. 2) Philips - meteorology (dew point & humidity)
57/69 Central Heating Capacity
57/74 (ver. 1) Textile - System Schirdewan metric
57/74 (ver. 2) Textile - System Schirdewan imperial
57/74 (ver. 2) Textile - System Schirdewan metric
57/86 Columbus Mannheim
57/87 School Rietz
57/88 School Rietz-N
57/88 (ver. CH) School Rietz-N
57/89 School Log-Log
57/92 School Log-Log
61/60 Pocket Enhanced Mannheim
61/60/369 Pocket Enhanced Mannheim
62/82 (ver. 1) Pocket Technical/Log-Log
62/82 (ver. 2) Pocket Technical/Log-Log
62/83 Pocket Technical/Log-Log long-scale
62/83N Pocket Technical/Log-Log long-scale
63/22 Pocket Business
63/22R Pocket Business Addiator
63/39 Pocket Mannheim
63/54 Pocket Darmstadt
63/87 Pocket Rietz
63/87R Pocket Rietz Addiator
63/91 Pocket Enhanced Mannheim
63/98 Pocket Electro
66/92 Pocket Log-Log
67/22 Pocket Business
67/22Rb Pocket Business Addiator
67/34 (ver. 2) Pocket Hermatology - System Dr. Vogel
67/39 Pocket Mannheim
67/54 Pocket Darmstadt
67/54b Pocket Darmstadt
67/54R Pocket Darmstadt Addiator
67/54Rb Pocket Darmstadt Addiator
67/54Rb Pocket Darmstadt Addiator - Export
67/56b Pocket Welding - Schweisstechnik, System Titscher
67/74 BASF Pocket Pigment-Volume-Concentration
67/87 Artos Pocket Rietz
67/87 SKF Pocket Rietz
67/87R Pocket Rietz Addiator
67/91 Pocket Enhanced Mannheim
67/98 (ver. 1) Pocket Electro - imperial
67/98 (ver. 1) Pocket Electro
67/98b Pocket Electro
67/98Rb Pocket Electro Addiator
74/39 Lilliput Enhannced Mannheim
77/91 Lilliput Enhanced Mannheim
8/10 Rietz
8/12 DELBAG Pipe Flow
8/168 Petroleum
8/20 Pocket Basic
8/30 Pocket Retail
BASF Tonband-Schmalfilm-Rechner Pocket Home Audio & Cine Film - System Schirmer
ESSO Viskositat V.I. 70-80 Petroleum
Heine Realzeitscheibe Desktop Network Planning
Hel (ver. cme) Richtschieber A Military Artillery Range Finder
Laukhuff Orgelpfeifen Desktop Music Organ Pipes - System Rensch
Nijgh & Van Ditmar Technical
Peddinghaus Stanz- und Schnittkraft Pocket Steel punching & cutting forces
Peddinghaus Stanz- und Schnittleistungen Pocket Steel punching & cutting performance
SKF F&S Ball Bearings
SKF F&S Pocket Mannheim
SPEED Pocket Mannheim
TR1 (ver. 2) Hybrid electronic calculator
TR2 Hybrid electronic calculator
TR3 Hybrid electronic calculator
TR4 Electronic calculator
Verlag Chemie Chemical
Versuchs- und Lehranstalt für Brauerei Beer Brewing - System Windisch