27th Jan, 2022 9:30
The Collectors Sale
A Crooks Spinthariscope
From the estate of Adolf William Isenthal, English, dated 1903, signed on the barrel SPINTHARISCOPE W. CROOKES 1903 and to the rear W. WATSON & SONS, LONDON lacquered brass body with glass magnifying glass, in original leather-covered case.
Footnote: Adolf Isenthal, was an electrical engineer who immigrated to Britain in 1889 from Germany. He was an early supplier of X-ray equipment and, in 1898 along with and Charles Potzler set up ‘Isenthal, Potzler & Co.’ at 85 Mortimer Street, London. The company survived until 1925 when it absorbed by the Dubilier Condenser Co. Isenthal also supplied Guglielmo Marconi with electrical equipment.
Sold for £310
Result including buyers premium
From the estate of Adolf William Isenthal, English, dated 1903, signed on the barrel SPINTHARISCOPE W. CROOKES 1903 and to the rear W. WATSON & SONS, LONDON lacquered brass body with glass magnifying glass, in original leather-covered case.
Footnote: Adolf Isenthal, was an electrical engineer who immigrated to Britain in 1889 from Germany. He was an early supplier of X-ray equipment and, in 1898 along with and Charles Potzler set up ‘Isenthal, Potzler & Co.’ at 85 Mortimer Street, London. The company survived until 1925 when it absorbed by the Dubilier Condenser Co. Isenthal also supplied Guglielmo Marconi with electrical equipment.
Auction: The Collectors Sale, 27th Jan, 2022
