Fletcher Type Bunsen Burner, 1910-1913
1910-1913
Teclu Type Gas Burner, 1900-1905
1900-1905
Bunsen Burner
1890-1940
Gas Bunsen Burner, 1860-1874
1860-1874
Bunsen Burner for Iridis platinum apparatus
Russian Gas Bunsen Burner, 1860-1869
1860-1869
Gas burner, part of Victor Meyer's vapour-density apparatus
Bunsen Burner
1890-1940
Bunsen burner
Lothar Meyer fractional distillation apparatus; bunsen burner
bunsen burner
bunsen burner
bunsen burner
bunsen burner
bunsen burner
bunsen burner
Bunsen burner for use with spectroscope
bunsen burner
bunsen burner
Bunsen burner for use with spectroscope
Bunsen burner from Dr. Thorpe's revenue still apparatus
1874-1905
Bunsen burner marked Flamefast type 701
1950-1974
Micro Bunsen burner c1960 N714
Bunsen burner
1900-1983
Glass-blowing bunsen burner
Shielded Bunsen burner c1960 N718
Bunsen burner, for Calor gas
1900-1980
Bunsen burner
1886
Coal gas burning bunsen burner
Bunsen burner
1900-1980
Bunsen burner and jet for use with horizontal petrographical microscope
1890-1893
Bunsen burner
1900-1983