Zeiss WL interference research microscope, with interference equipment and transformer, by Carl Zeiss, German, 1970-1975 Zeiss WL interference research microscope 1970-1975
Two Ash "New Era" turbine drill attachments for dental unit, by the Amalgamated Dental Co. , England, 1960-1970 Two Ash "New Era" turbine drill attachments for dental unit 1960-1970
Tube, metal alloy, possibly a gas dispension tube for section in a wash bottle, probably English, 1890-1940 Tube, metal alloy 1890-1940
Carson's patent meat preserver, resembling a giant syringe in green baize-lined wooden case, English, 1880-1930 Carson's patent meat preserver 1880-1930