Lot 280: Altimeter. A rare late 19th-century moutaineering/ballooning altimeter by Hottinger & Cie, Zurich, with brass case and silvered drum, containing a curved tube thermometer signed and numbered '1305', the side with ivorine vernier secured in a black leather case, 6.5cm long (case tatty), together with a collection of Victorian and later microscope slides (1)
Dominic Winter's Antiques & Fine Art Auction October 2015
Thursday, 15th October 2015
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