細節
F. A. HARDY & CO., Chicago
A Hardy's Ophthalmometer with telescope, rack-and-pinion adjustment, dial graduated 0-165, electric illuminant and adjustable chin-rest on japanned base with gilt decoration -- 23in.(59.5cm.)long
A Hardy's Ophthalmometer with telescope, rack-and-pinion adjustment, dial graduated 0-165, electric illuminant and adjustable chin-rest on japanned base with gilt decoration -- 23in.(59.5cm.)long
出版
Truax, Charles(1899)The Mechanics of Surgery, pp.851-2.