FR707195A - Gas or steam filled discharge tubes - Google Patents

Gas or steam filled discharge tubes

Info

Publication number
FR707195A
FR707195A FR707195DA FR707195A FR 707195 A FR707195 A FR 707195A FR 707195D A FR707195D A FR 707195DA FR 707195 A FR707195 A FR 707195A
Authority
FR
France
Prior art keywords
gas
discharge tubes
filled discharge
steam filled
steam
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Compagnie des Lampes
Original Assignee
Compagnie des Lampes
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Compagnie des Lampes filed Critical Compagnie des Lampes
Application granted granted Critical
Publication of FR707195A publication Critical patent/FR707195A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/70—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr
    • H01J61/72—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr having a main light-emitting filling of easily vaporisable metal vapour, e.g. mercury
FR707195D 1929-12-07 1930-12-06 Gas or steam filled discharge tubes Expired FR707195A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE707195X 1929-12-07

Publications (1)

Publication Number Publication Date
FR707195A true FR707195A (en) 1931-07-03

Family

ID=6617325

Family Applications (2)

Application Number Title Priority Date Filing Date
FR707195D Expired FR707195A (en) 1929-12-07 1930-12-06 Gas or steam filled discharge tubes
FR707198D Expired FR707198A (en) 1929-12-07 1930-12-06 Gas or vapor discharge tube with activated electrodes

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR707198D Expired FR707198A (en) 1929-12-07 1930-12-06 Gas or vapor discharge tube with activated electrodes

Country Status (2)

Country Link
FR (2) FR707195A (en)
NL (1) NL36723C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE746925C (en) * 1931-11-22 1944-08-30 Osram G M B H Komm Ges Electric high-pressure metal vapor discharge lamp with incandescent electrodes and several vaporizable metals which produce a mixed light

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE746925C (en) * 1931-11-22 1944-08-30 Osram G M B H Komm Ges Electric high-pressure metal vapor discharge lamp with incandescent electrodes and several vaporizable metals which produce a mixed light

Also Published As

Publication number Publication date
FR707198A (en) 1931-07-03
NL36723C (en)

Similar Documents

Publication Publication Date Title
FR688985A (en) Improvements to discharge tubes
FR707195A (en) Gas or steam filled discharge tubes
FR725479A (en) Gas discharge tube
FR700633A (en) Rotary tube muffle furnace
FR719115A (en) Discharge tube
FR669561A (en) Tube pot
FR692680A (en) Discharge tubes
FR37868E (en) Inclined tube aquatubular boiler
FR672118A (en) Inclined tube aquatubular boiler
FR646662A (en) Gas discharge tube
FR646663A (en) Gas discharge tube
FR41744E (en) Gas discharge tube
FR661915A (en) Roentgen tube
FR700939A (en) Gas-filled discharge tubes
FR650441A (en) Discharge tube
FR640065A (en) Vertical tube boilers
FR613761A (en) Fire tube boilers
FR701396A (en) Smoke tube superheaters
FR687136A (en) Roentgen tube
FR666040A (en) Discharge tube
FR671438A (en) Heating tube boilers
FR634056A (en) Tubes
FR671703A (en) Gas meter
FR644750A (en) Smoke tube superheater
FR660507A (en) Rotary tube furnace