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- 8 (043) 567 - 89 - 30
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Type | ? Generic name (e.g. Enhanced Mannheim) or function/use for special models (e.g. Meteorology). If not the “standard” 25cm linear length proceeded by the form (e.g. Demonstration, Desktop, Pocket, Waistcoat, Lilliput or Book) + suffix when needed to distinguish between different versions (e.g. early or late). | Log-Log |
---|---|---|

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 | Bakelite/stove-enamell painted |

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. | 10" |

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 | LL2,A / B,CI,C / D,LL3 |

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 | |

Cursor type | ? Basic description (incl. material) + no. of hairlines, etc on any cursor(s) or alternative to a cursor - e.g. a stylus | chrome/glass - 2 hairlines |

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 | 1948-1949 |

Extras | ? Basic description of any accessories - e.g. case or stand + where relevant, an accreditation for image, etc | wooden hinged box. |

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 | Conversion table on back - Batch No. 316 - read more ... |

In-Out | ? MM-YYYY / MM-YYYY of the date added/left the collection or <YYYY if exact MM-YYYY no longer known | 08-2011/ |

Model | Type |
---|---|

## Double Sharp | Steel Weight Calculator (Model A) |

0552-160219 | Military Torpedo Bearing Rate (Mark I Model 0) |

0552-160221 / P2297 | Military Torpedo Spreading poly-slide (2) |

304 | Academy Darmstadt |

308 | Academy Accountant's and Business |

310 | Pocket Academy Basic |

644944 / P5284 | Radiac Nuclear Fission Products poly-slide (2) |

6665-110060 (ver. NL) | Radiac Nuclear Radiation Calculator No.1 for land) |

6665-110117 (ver. NL) | Radiac Nuclear Radiation Calculator No.1 for land |

6665-99-911-0117/0060 | Radiac Nuclear Radiation Calculator No.1 |

80543 | Omega Artillery Mils (MK2) |

AG2 | Rietz-like |

AL6 | Log-Log |

Blakeborough | Valve Sizing |

C24 D | Cost & Profit Reckoner Retail |

E.18 Electricians | Electro |

E.3 | Electro |

G.1 | Student Enhanced Mannheim without TrIg scales |

G.1 (reject) | Student Enhanced Mannheim without TrIg scales |

G.2 | Enhanced Mannheim without Trig scales |

G.2 | Enhanced Mannheim without TrIg scales - early |

G.5 | Enhanced Mannheim |

Holophane | Angle Lighting Calulator |

Holophane | Illumination Lighting Calculator |

L.4 | Log-Log |

L.6 | Log-Log |

Laker | Cutting Speed/Feed Calculator |

P.8 | Pocket Mannheim |

P.8 | Pocket Mannheim - early |

P.8 | Pocket Mannheim - late |

P1409 | Holophane Illumination Calculator |

P1418 | Shell-Mex & BP Room Volume Calculator |

P1442 | Shell-Mex & BP Friction Loss Calculator |

P1454 | Pipe Flow |

P1470 | Conversion |

P1553 | Armstrong Calculator for Flooring |

P17 | Log-Log |

P1732/A | Fisher Valve Sizing Mark III F |

P1960/B | Paint Calculator (folded £-s-d scale) |

P2245 | Textile |

P2304 | Paper Substance Calculator |

P2327 (P4409) | Percentage Overlap on metal seams |

P2808 | Ultrasonic poly-slide (2) for testing metal buttt welds |

Paper Facts & Figures | Paper Calculating Rule |

S.101 | Pocket Rietz-like |

T.12 Technicians | Log-Log |

T.20 Technicians | Desktop Log-Log |

T.50 | Janus Multi Log-Log |

U.7 Universal | Log-Log |