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Hemmi: 35

Hemmi 35 Lilliput Enhanced Mannheim

Details of: Hemmi - 35

Type? A generic name (e.g. Enhanced Mannheim) or function/use for special models (e.g. Meteorology) as an aid to grouping similar models across makers. 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). Lilliput Enhanced Mannheim
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 bamboo/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. 10cm
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 inch \ A / B,C / D
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,L,T /
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 - 1 hairline (broken)
Condition? Cn where n = 0-6  condition/quality scale where 0 = brand new in box & 6 = broken   C5
Date? YYYY for year(s) of production or an approximation/range of years 1935-1948
Extras? Basic description of any accessories - e.g. case or stand + where relevant, an accreditation for image, etc stitched fawn leather case with flap - image courtesy of Paul Ross
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

metal backing plate stamped BOFORS

In-Out? MM-YYYY / MM-YYYY of the date added/left the collection or <YYYY if exact MM-YYYY no longer known <2015/

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