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Ausschuss fuer Wirtschaftliche Fertigung (AWF): SR 702

AWF SR 702 Belt Performance & Belt Speed

Details of: Ausschuss fuer Wirtschaftliche Fertigung (AWF) - SR 702

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. Belt Performance & Belt Speed 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 Closed/solid frame
Material? Basic description: ivory/bone/wood/bakelite/plastic/metal/cardboard or combinations e.g. wood/veneered, wood/painted, etc cardboard/plastic
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. 20½cm
Scales front? Mostly standardised (not maker’s) symbols for scales on front of stock 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 edge. § / §,§ / § / §
Scales back? Mostly standardised (not maker’s) symbols for scales on back of stock 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).
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 1930s
Extras? Basic description of any accessories - e.g. case or stand + where relevant, an accreditation for image, etc
Instructions? Details like “on back of rule” and/or language of instruction sheet/booklet - generic or instructions for common layouts usually not listed Briefly in German on back
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

made by Hans Seehase to design (1928-1930) by Friedrich Bahlecke

In-Out? MM-YYYY / MM-YYYY of the date added/left the collection or <YYYY if exact MM-YYYY no longer known 01-2018/

All of:  Ausschuss fuer Wirtschaftliche Fertigung (AWF) new search?

ModelType
SR 701 Machining Time poly-slide (2) - early
SR 702 Belt Performance & Belt Speed poly-slide (2)
SR 704 Load Capacity of Springs
SR 710 Bowing/Bending of Beams (metal or wood) poly-slide (2)
SR 715 Rivets for Steel Construction
SR 722 Water Line Capacity
SR 726 Gas Pipe Line Calculator for High & Low Pressure poly-slide (2)
SR 751 Blank but with hand-drawn scales for Machining