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 (enrdf_load_html_response)

Publications (1)

Publication Number Publication Date
BE335885A true BE335885A (enrdf_load_html_response)

Family

ID=14254

Family Applications (1)

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

Country Status (1)

Country Link
BE (1) BE335885A (enrdf_load_html_response)

Similar Documents

Publication Publication Date Title
BE335885A (enrdf_load_html_response)
US903090A (en) Dynamometer for explosion-engines.
US4021268A (en) Thermocouple assembly with a sheath
US2750483A (en) Resistor bulb
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
US1447532A (en) of wellington
US2899478A (en) Spark modifier for spark plugs and ignition systems
BE821782A (fr) Perfectionnements relatifs aux thermocouples
US1332636A (en) Blaze-plug
US1642649A (en) Temperature-controlled alarm
US764626A (en) Sparking plug.
US53669A (en) Improvement in electrical lamps
FR2490339A1 (fr) Appareil de mesure de niveau d'un metal fondu, a mutuelle inductance
SU16303A1 (ru) Электрический измерительный прибор
SU7044A1 (ru) Электрический плавкий предохранитель
US1922661A (en) Spark plug containing an intensifying gap
CH86450A (fr) Magnéto d'allumage.
US1333603A (en) Throttle-switch
BE675525A (enrdf_load_html_response)
BE515839A (enrdf_load_html_response)
SU13283A1 (ru) Прибор дл указани перекала скрытой от непосредственного наблюдени электрической лампы в проекционных устройствах
AT42657B (de) Dynamometer für Explosionsmaschinen u. dgl.
BE343653A (enrdf_load_html_response)
CH188438A (fr) Lampe électrique à incandescence de forme tubulaire.