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    Description

    A Riefler Presentation Drafting Instrument Set, 20th century
    3-1/2 x 19-1/2 x 12 inches (8.9 x 49.5 x 30.5 cm) (case)

    PRIVATE WEST COAST COLLECTION

    The drafting set comprising approximately fifty-two pieces, beam compass with 2 extension rods, extends to approx. 42"; spring loaded precision adjustment of fixed end; plug-ins: 2 large points, small point, pencil, pen and cutting blade. 20 cm scale with center knob, divided in 10ths on one edge, 20ths on the other. 14 cm protractor with movable arm end of which has a spring loaded pricker; with vernier to read to 1 arc minute; glass center with engraved centering circle. Plastic 30-60-90 triangle with 12 cm hypotenuse; plastic straight edge, 18 mm x 19.7 cm.; plastic French curve. 20 cm proportional dividers with rack adjusting and plug-in rod assembly to allow precision adjusting of final position. 15.5 cm compass with plug-in folding legs, 2 fixed divider points, folding pencil, folding pen, folding divider point, 8 cm extention bar. Three 3.5 cm tubes with spare points. 17 cm fixed point dividers; 14.5 cm fixed point dividers; 14.7 adjustable point dividers; 10 cm compass with plug-in: folding divider, pencil, pen with flip-out blade and dial adjustment and 2 fixed divider points; 10.4 cm fixed point dividers. Flat adjusting wrench; folding dotting pen with 3 wheels; 11.8 cm curved swiveling pen; 2 pens with ebony handles, each with screw-in nibs with flip-out blades and dial adjustment, also takes an additional nib with flip-out blade and dial plus 3 nibs with fixed blades. 2 pens with plastic handles, screw-on nibs with fixed blades. Pricker points under all 4 screw-on handles. 14 cm railroad pen; 12 cm pricker with ivory/plastic handle; 1.6 mm centering disk; Two 8 cm spring bow center adjust compasses, pen and pencil; 10 cm spring bow center adjust dividers; 11 cm drop compass with plug-in pen, pencil and divider point; millimeter/ centimeter spacer 7.5 cm long.


    Condition Report*: Minor patination to some instruments, minor yellowing to two bone handles, some tearing to satin handles of lift-out tray, some scratching to exterior case, with wear commensurate with age and use; lot includes key. Heritage does not guarantee the working order of mechanisms.
    *Heritage Auctions strives to provide as much information as possible but encourages in-person inspection by bidders. Statements regarding the condition of objects are only for general guidance and should not be relied upon as complete statements of fact, and do not constitute a representation, warranty or assumption of liability by Heritage. Some condition issues may not be noted in the condition report but are apparent in the provided photos which are considered part of the condition report. Please note that we do not de-frame lots estimated at $1,000 or less and may not be able to provide additional details for lots valued under $500. All lots are sold "AS IS" under the Terms & Conditions of Auction.

    Auction Info

    Auction Dates
    January, 2017
    19th Thursday
    Bids + Registered Phone Bidders: 10
    Lot Tracking Activity: N/A
    Page Views: 2,941

    Buyer's Premium per Lot:
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