$533
Brass Pantograph by Heath & Wing, London, c 1760, with calibrated 26-in. arms, center hinged arm engraved Improved by Heath & Wing, London , four casters with ivory wheels, oak carrying case with period hand-written instructions inside the lid, lg. boxed 26 3/4 in. Heath and Wing are listed in Gloria Clifton, Directory of British Scientific Instrument Makers, 1550-1851 , p. 131 as instrument makers in London between 1751-1773. Missing weight
Auctioneer:
Skinner
Date:
2011-07-16