A fine equinoctial sundial by Lorenz Grassel (1740-1805) - Augsburg - around 1770
Tieteen ja teknologian työvälineiden huutokauppa (eksklusiivinen)
Vintage professional microscope euromex model L-101 Arnhem Netherlands
A 19th century lacquered brass monocular microscope by Baker, 244 High Holborn, London, in fitted mahogany box with a further collection of related lenses and accessories and telescopic pieces.
Early Series- and Shunt-Wound Motor by Leybold (Museum Quality) - Germany - Ca. 1900
Stereo dissecting microscope
Torsion balance of Vereenigde Draadfabrieken in Nijmegen Netherlands
Electro-medical equipment - Germany - early 20th century
Optical disc based on Hartl from the Vereinigung Göttinger Werke - Germany - early 20th century
Brass / bronze - surveyor level with its box - France - second half of the 19 th.
Gustave Lezy, graduated metal surveyor's square - topographic tool - France - early 20th century
Beautiful "Model steam engine Noks"
Holmes-Pattern stereoscopic viewer for photographic postcards in original box + 3 erotic postcards of carton as a gift - Ca.1900
Eiffel Tower skeleton telephone patented oct 29. 1895 from Ericsson made in Sweden B L M Ericsson & Cie Stockholm, cast iron base
F Davidson & Co London Optical Trial Lens Set key Optometry Optometrist
Precisions messing Hygrometer - The Netherlands - ca. 1870
Optometrist Vision trial set in wood case, Theodore Hamblin Ltd, London, Ca 1910
Collection Barometers
Thunder glass / storm glass / wonder glass in oak casing - the forerunner of the barometer - 20th century
Rare and early Biedermeier era barometer from ‘Ed. Wilhelm’ Munich, made of wood and a mercury column, ca. 1810
Adolf Thies Hygrograph, Germany first half 20th century, material copper.
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