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Nestler: 28
Details of: Nestler - 28
| Type | ? Usually a generic name preceded by the form if not standard linear length - e.g. Pocket Enhanced Mannheim. For special models often supplemented by its function/use - e.g. meteorology. Sometimes a suffix is needed to distinguish between different versions - e.g. early or late. | Universal Toppography - 360g |
|---|---|---|
| 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 length in cm or ” (inches) of the D scale but excluding any scale extensions. But for circular or watch slide rules it is the diameter & for tubular or drum slide rules it is the overall linear scale length. For other mechanical 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 for any non-standard scale. Scales between solidi (/ /) are on the slide(s) whereas a vertical line ( | ) or reversed solidus ( \ ) + a symbol denotes scale(s) on a straight or bevelled side edge. | cm \ L,D / S,S',C / D,A | K,AI |
| 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 for any non-standard scale. Scales between solidi (/ /) are on the back of the slide(s). | / 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 | double-width metal/glass - 3 hairlines + extension for bottom edge |
| Condition | ? Cn where n = 0-6 based on Herman van Herwijnen’s condition/quality scale | C3 |
| Date | ? YYYY for year(s) of production or an approximation/range of years | 1924-1931 |
| Extras | ? Basic description of any accessories - e.g. case or stand + where relevant, an accreditation for image, etc | black linen covered box with company & model detials printed in gold |
| 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 | German silver screws - table of conversion factors on back + 2 cursor windows + see bigger desktop sibling |
| In-Out | ? MM-YYYY / MM-YYYY of the date added/left the collection or <YYYY if exact MM-YYYY no longer known | <2015/ |
All of: Nestler new search?
| Model | Type |
|---|---|
| (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 |
| 0270 | Technical long-scale |
| 0291 Polymath-Duplex | Technical/Log-Log |
| 0292 Multimath-Duplex two-tone | Technical/Log-Log |
| 0320 | Crude Oil two-tone - System Dr. Schmeling |
| 0330 | Chemical two-tone |
| 0370 | Electro |
| 0408 | Finance two-tone |
| 0432 | Reinforced Concrete - System Dr. Schaeffer |
| 0440 | Reinforced Concrete two-tone - System Maarschalk |
| 10 | Enhanced Mannheim |
| 11 | 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 | Desktop Technical long-scale |
| 28 | Universal Toppography - 360g |
| 28a | Desktop 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 |
| 39 | Aviation Flight Computer |
| 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 long-scale |
| 5 | Mannheim |
| 8 | Rietz |
| 9 | Rietz |
| A.B.C | Military Tank Artillery |
| ABC | Pocket Military Radiation |
| ABL | Military Vehicle Logistics & Supply |
| Glanzstoff | Pocket Textile |
| Hoehenwindmessung | Desktop Military Artillery Range Finding/Meteorology |
| Landis & Gyr | Pocket Mannheim |
| RL 130 | Mannheim-like |
| Sytem Rietz | Rietz |
| Total Stralenschutz | Pocket Radiation |
