Oil lamp for projecting work
1888
Oil or petroleum lamp for microscopy in box
1900-1910
Oil lamp for microscopy
1885-1900
Microscope lamp of curious design
1851-1900
Duplex projection oil lamp with enormous housing
1851-1900
Petroleum lamp for microscopy
1890-1910
Oil lamp for microscopy, English, 1850-1900
1851-1900
Microscope lamp of curious design
1851-1900
Oil lamp for microscopy, English, 1850-1900
1851-1900
Oil microscope lamp in travelling case by F. Walters and Co.
1871-1900
Oil lamp for microscopy, English circa 1930
1920-1940
Oil lamp for microscopy
1901-1930
2 microscope lamps
Oil microscope lamp
1862-1870