BE335885A - - Google Patents

Info

Publication number
BE335885A
BE335885A BE335885DA BE335885A BE 335885 A BE335885 A BE 335885A BE 335885D A BE335885D A BE 335885DA BE 335885 A BE335885 A BE 335885A
Authority
BE
Belgium
Prior art keywords
couple
lamp
flame
firedamp
metal mass
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE335885A publication Critical patent/BE335885A/fr

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21LLIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L23/00Non-electric hand-lamps for miners

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Thermally Actuated Switches (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
BE335885D BE335885A (cs)

Publications (1)

Publication Number Publication Date
BE335885A true BE335885A (cs)

Family

ID=14254

Family Applications (1)

Application Number Title Priority Date Filing Date
BE335885D BE335885A (cs)

Country Status (1)

Country Link
BE (1) BE335885A (cs)

Similar Documents

Publication Publication Date Title
BE335885A (cs)
US903090A (en) Dynamometer for explosion-engines.
US4021268A (en) Thermocouple assembly with a sheath
RU126203U1 (ru) Устройство для соединения высоковольтного кабеля
FR2951590A1 (fr) Tige d'electrode pour bougie de chaudiere, notamment a condensation, utilisation d'une telle tige d'electrode pour une bougie, bougie et chaudiere ainsi equipees
US1353593A (en) Spark-plug
US2899478A (en) Spark modifier for spark plugs and ignition systems
BE821782A (fr) Perfectionnements relatifs aux thermocouples
US1332636A (en) Blaze-plug
RU2196235C1 (ru) Электронагреватель моторного масла для запуска двигателя внутреннего сгорания
US1642649A (en) Temperature-controlled alarm
US764626A (en) Sparking plug.
US53669A (en) Improvement in electrical lamps
RU107407U1 (ru) Корпус контакта патрона светильника
FR2490339A1 (fr) Appareil de mesure de niveau d'un metal fondu, a mutuelle inductance
SU16303A1 (ru) Электрический измерительный прибор
SU7044A1 (ru) Электрический плавкий предохранитель
CH118097A (fr) Dispositif pour différer l'action d'un appareil de sécurité d'un moteur électrique, tel qu'un disjoncteur ou un fusible.
US1922661A (en) Spark plug containing an intensifying gap
US1333603A (en) Throttle-switch
BE675525A (cs)
BE515839A (cs)
SU13283A1 (ru) Прибор дл указани перекала скрытой от непосредственного наблюдени электрической лампы в проекционных устройствах
BE343653A (cs)
CH188438A (fr) Lampe électrique à incandescence de forme tubulaire.