Russian Gas Bunsen Burner, 1860-1869
1860-1869
Bunsen Burner for Iridis platinum apparatus
Bunsen Burner
1890-1940
Gas burner, part of Victor Meyer's vapour-density apparatus
Gas Bunsen Burner, 1860-1874
1860-1874
Teclu Type Gas Burner, 1900-1905
1900-1905
Fletcher Type Bunsen Burner, 1910-1913
1910-1913
Bunsen burner, for Calor gas
1900-1980
Shielded Bunsen burner c1960 N718
Glass-blowing bunsen burner
Micro Bunsen burner c1960 N714
Bunsen burner
1900-1983
Bunsen burner marked Flamefast type 701
1950-1974
Bunsen burner
1900-1980
Coal gas burning bunsen burner
Bunsen burner
1900-1983