Crookes' Magnetic Deflection Tube, 1914
1914
Glass discharge tube
Electrical discharge tube
1831-1870
Glass tube, possibly a discharge tube
Glass tube, possibly a discharge tube
Glass discharge tube
Glass discharge tube
Glass discharge tube
Glass discharge tube
Glass discharge tube
Glass discharge tube
Glass discharge tube
Glass discharge tube
Glass discharge tube
Glass discharge tube
Glass discharge tube
Glass discharge tube
Glass discharge tube
Glass discharge tube
Glass discharge tube
Glass discharge tube
Discharge tube
1900-1925
Glass discharge tube
Glass discharge tubes
Glass discharge tube
Glass discharge tube
Glass discharge tube
Glass tube, possibly a discharge tube
Glass tube, possibly a discharge tube
Glass tube, possibly a discharge tube
Glass discharge tube
Glass discharge tube
Glass discharge tube
Geissler tube
1801-1900
Glass tube, possibly a discharge tube
Glass tube, possibly a discharge tube
Glass tube, possibly a discharge tube
Glass tube, possibly a discharge tube
Glass tube, possibly a discharge tube
Glass tube, possibly a discharge tube
Glass tube, possibly a discharge tube
Glass tube, possibly a discharge tube
Discharge tube with disc electrodes
1900-1925
Discharge tube, glass, English, 1900-1925
1900-1925
Glass discharge tube
Glass discharge tube
Geissler tube
1851-1900
Glass tube, possibly a discharge tube
