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Details of: Nestler - 0232

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). Rietz
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 wood/celluloid veneers
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 \ K,A / B,CI,C / D,L | inch
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 metal/glass - 1 hairline + 3 peripheral hairlines
Condition? Cn where n = 0-6  condition/quality scale where 0 = brand new in box & 6 = broken   C2
Date? YYYY for year(s) of production or an approximation/range of years 1967
Extras? Basic description of any accessories - e.g. case or stand + where relevant, an accreditation for image, etc dark-brown stitched Nestler pouch with flap
Instructions? Details like “on back of rule” and/or language of instruction sheet/booklet - generic or instructions for common layouts usually not listed
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

​Late wooden model - table of conversion factors on back + 2 cursor windows

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:  Nestler new search?

(NoName) Desktop Military
(NoName) Enhanced Mannheim
(NoName) Enhanced Mannheim - early
(NoName) Enhanced Mannheim - export Pickworth
(NoName) Mannheim
0121 Pocket Darmstadt two-tone
0123 Pocket Rietz 360
0123 (Reitz S) Pocket Rietz 360 two-tone
0127 Pocket International Conversion two-tone
0129 Polymath Pocket Log-Log
0137 Pocket Electro two-tone
0203 Alpha Demonstration Rietz two-tone
0210 Darmstadt
0215 Desktop Darmstadt 360°
0218 Darmstadt
0232 Rietz
0235 Desktop Rietz
0238 Rietz two-tone
0239 School Rietz two-tone
0249 Elemath School Log-Log two-tone
0251 Alpha School Rietz two-tone
0252 Beta School Technical two-tone
0253 Gamma School Technical two-tone
0254 Delta School Technical/Log-Log two-tone
0260 Machining Time
0270 Technical long-scale
0275 Desktop Technical long-scale
0291 Polymath-Duplex Technical/Log-Log
0292 Multimath-Duplex Technical/Log-Log two-tone
0320 Petroleum two-tone - System Dr. Schmeling
0330 Chemical two-tone
0370 Electro
0375 Desktop Electro
0408 Finance two-tone
0432 Reinforced Concrete - System Dr. Schaeffer
0440 Reinforced Concrete two-tone - System Maarschalk
10 Enhanced Mannheim
11 (narrow) Pocket Enhanced Mannheim
11 (ver. 1) Pocket Enhanced Mannheim
11D Pocket Darmstadt
11E Pocket Enhanced Mannheim
11M Pocket Enhanced Mannheim
11O Pocket Mannheim
11R Pocket Rietz
11ZE Pocket Electro
11ZM Pocket Enhanced Mannheim
11ZR Pocket Rietz
12 Pocket Enhanced Mannheim
12a Pocket Enhanced Mannheim
12b Pocket Enhanced Mannheim
12c Pocket Enhanced Mannheim
17 Extra long Enhanced Mannheim
18 Desktop Enhanced Mannheim
20/1 Kiel Rietz
21 Darmstadt
21a Desktop Darmstadt 360°
22 Extra long Pocket Rietz
23 Rietz
23a (A/R) Desktop Rietz - late
23R Rietz
23R/3 Rietz
23R/3 Rietz - early
24 Desktop Rietz
24b Extra long Desktop Rietz long-scale
24R Desktop Rietz - late
24R/1 Extra long Desktop Rietz long-scale
26 Business & Machining
27 Technical long-scale
27a Desktop Technical long-scale
28 Universal Stadia Topography - 360g
28a Desktop Stadia Universal Topography - 400g
3 Mannheim
31 Timber
33 Chemical
33 Chemical - early
37 Electro
37 Electro - early
37 Electro - monochrome & early
37/15 Extra long Pocket Electro
37a Desktop Electro
39 Pocket Electro - Sytem Besser
4 Enhanced Mannheim
40 Retail & Monetary
40 Retail & Monetary - classic
40 Retail & Monetary - early
40a Desktop Retail & Monetary - late
41 Lilliput Enhanced Mannheim
42Z Lilliput Mannheim
43 Reinforced Concrete - System Hoffmann
45 Desktop Basic long-scale
5 Mannheim
7 Business
8 Rietz
9 Rietz
939 Hoehenwindmessung Desktop Military Artillery Range Finding/Meteorology
A.B.C. Military Tank Artillery
ABC Pocket Military Radiation
ABL Military Vehicle Logistics & Supply
GEA Pocket Enhanced Mannheim
Glanzstoff Pocket Textile
Hermann Schubert Pocket Textile
Landis & Gyr (11O) Pocket Mannheim
Landis & Gyr (11ZR) Pocket Enhanced Mannheim
Luftwaffenamt Military Time-Speed-Distance for aircraft
RL 130 Mannheim-like
Sydema Corpometer Bespoke Tailoring Aid
Sytem Rietz Rietz
Total Stralenschutz Pocket Radiation