Zeiss Thermoradiometer - of the type originated by Dr. Cobet and Dr. Bramigk Pamphlet 1927
SKU
BR5587/Zeiss Termoradiometer Pamphlet 1927
Good Condition. Ref. Med 47, 4 pages. The apparatus provdes a mean of measuring the intesity of the heat emanating from any part of the body. RARE Carl Zeiss Jena, 1927