Traveling microscope, Jena Carl Zeiss, ca. 1900, tripod VIa brass, black lacquered, plane and concave mirror movable on all sides, cylinder diaphragm. Brass tube signed ''Carl Zeiss Jena/ No. 32629''. Adjustment by tooth and drive. Revolving nosepiece for four objectives. In original leather case with additional Zeiss objectives and eyepieces in brass and wooden boxes. Travel microscope by Carl Zeiss Jena, ca. 1900, series number 32629, model VIa. Orig. leather case with additional optical utensils.

Composed of several subsidiaries, the Drouot Group is a major player in the art market. Hôtel Drouot, located in the heart of Paris, has been the world's largest public auction center since 1852. 15 salerooms are available to more than 70 auction houses. The emulation generated by an annual offer of 230,000 artworks from 21 major specialities - from Antiquity to street art - attracts some 3,000 visitors every day. The Group's digital platform, Drouot.com, offers digital sales - Live auctions (live broadcasting and participation in auctions), Online-only auctions (dematerialised auctions) and Buy Now sales (sales of lots at fixed prices). Nearly 2 million items are offered annually by 600 auction houses. Auction news is reported every week in La Gazette Drouot, the leading weekly magazine for the art market and culture published by Auctionspress.