LANGLOIS, Paris
A brass sector engraved with various scales -- 6¾in.(17cm.) long; a folding square engraved with various scales -- 6¾in.(17cm.) long; and a brass protractor divided 10°-180°-10° -- 4in.(10cm.) wide; all signed Langlois Paris aux Galleries du Lourve, circa 1750 (3)
出版
Hambly (1988), Drawing Instruments, p.28
更多詳情
See illustration
拍品專文
As engineer to the Academy of Sciences, Langlois was entitled to free lodging and retail space in the Lourve.