拍品专文
William Heather is recorded as working from Ledenhall St, London between 1797 and 1812
细节
A late 18th Century three draw telescope signed Heather
constructed in mahogany and brass with dust slide to eye piece and brass lens cap contained within a shagrin covered cardboard tube (top missing) and further contained within a patterned leather case, main lens -- 1½in. (3.9cm.); extended length -- 27¾in. (70.5cm.)
See illustration
constructed in mahogany and brass with dust slide to eye piece and brass lens cap contained within a shagrin covered cardboard tube (top missing) and further contained within a patterned leather case, main lens -- 1½in. (3.9cm.); extended length -- 27¾in. (70.5cm.)
See illustration
出版
Clifton, G, Directory of Scientific Instrument Makers 1550-1851, Zwemmer 1995