|
US1456285A
|
|
Thermostatic lamp dimming pull socket
|
|
GB142781A
|
|
Improvements in or relating to apparatus for forming and delivering a gaseous explosive charge to internal combustion engines
|
|
GB130594A
|
|
Improvements in or relating to Humidifiers for Internal Combustion Engines.
|
|
US1343689A
|
|
Lamp-dimming-socket switch
|
|
US1353433A
|
|
Multisocket switch
|
|
US1334181A
|
|
Thermostatically-controlled rotary switch
|
|
US1350574A
|
|
Reciprocative actuating mechanism
|
|
US1340843A
|
|
Delayed cut-off for bunsen gas-burners
|
|
US1350573A
|
|
Thermostatically-controlled device
|
|
US1407315A
|
|
Thermodynamically-controlled knife switch
|
|
US1388504A
|
|
Time-retarded lamp-extinguishing device
|
