Idle-Tyme. The Original Rolling Ball Clock
Sold Price: Thwaites and Reed Limited. London, England Rolling Ball incline plane clock with an 8 day timepiece movement, dated 1974, and noted as no. 51 in a limited edition of 500. - May 6, 0116 10:00 AM EDT
Sold Price: CHARLES FRODSHAM, LONDON A 1970'S INCLINE PLANE G - July 6, 0121 10:00 AM BST
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Dent of London Inclined Plane Clock, dated 1973, - Sep 24, 2013 | William Bunch Auctions & Appraisals in PA
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