Details
An Abbe's Apertometer,
with objective in leather-covered plush-lined case 4¼in. (11cm.) wide by Carl Zeiss Jena; an aluminium apertometer glass-plate mounting; and a prism rotator signed Carl Zeiss Jena in leather-covered plush-lined case 5in. (12.8cm.) wide
See illustration
with objective in leather-covered plush-lined case 4¼in. (11cm.) wide by Carl Zeiss Jena; an aluminium apertometer glass-plate mounting; and a prism rotator signed Carl Zeiss Jena in leather-covered plush-lined case 5in. (12.8cm.) wide
See illustration