An exhibition-standard 19th-Century gilt and blued-steel bone drill,

细节
An exhibition-standard 19th-Century gilt and blued-steel bone drill,
signed COLLIN ET CIE, the mechanism gilt with blued-steel crank and chuck, nickel-plated bit and ebony handles -- 10½in. (27cm.) long

See Colour Plate 3
出版
Book of Illustrations to S. Maw, Son & Thompson's Quarterly Price-Current (London, 1891). Cf. p. 17, fig. 74 for an illustration of a similar instrument, titled "Stock Bone Drill, Collin's".