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Dring & Fage: (NoName)

Dring & Fage (NoName) Alcohol Gauging poly-slide(2)

Details of: Dring & Fage - (NoName)

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. Alcohol Gauging poly-slide(2)
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 Duplex
Material? Basic description: ivory/bone/wood/bakelite/plastic/metal/cardboard or combinations e.g. wood/veneered, wood/painted, etc wood/brass
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. 9¼"
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 scales after vertical line | or after reversed solidus \ are on a straight or bevelled top or bottom side edge D,§ | D / C,C / §,§,§ / C,C / §
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 solid / / 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 § / C,C / §,§,§,D / C,C / §,§,§ | D,§
Cursor type? Basic description (incl. material) + no. of hairlines, etc on any cursor(s) or alternative to a cursor - e.g. a stylus none - not needed
Condition? Cn where n = 0-6 based on Herman van Herwijnen’s condition/quality scale C4
Date? YYYY for year(s) of production or an approximation/range of years 1825-1880
Extras? Basic description of any accessories - e.g. case or stand + where relevant, an accreditation for image, etc image courtesy of Tom Wyman
Instructions? Details like “on back of rule” and/or language of instruction sheet/booklet - generic or instructions for common layouts usually not listed English - gauge points & gauge marks courtesy Jane & Mark Rees
Booklet (PDF)? Downloadable .PDF copy of unusual or uncommon model specific instructions download
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

Post 1824 imperial based units/gauge marks + front face bottom slide can be slotted in alongside top slide (hence it only runs to 9.5) for double length i.e. Everard-like + considered by fellow collector David Riches Missing Link between square Everard design & follow-on duplex models - read more ...

In-Out? MM-YYYY / MM-YYYY of the date added/left the collection or <YYYY if exact MM-YYYY no longer known <2005/

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