CA164019A
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Heat regulating apparatus
|
US1189613A
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|
Heat-regulating apparatus.
|
CA158235A
|
|
Heat regulator
|
US1124788A
|
|
Heat-regulating apparatus.
|
CA147835A
|
|
Boiler feeding apparatus
|
US1060780A
|
|
Heat-regulating apparatus.
|
US1057446A
|
|
Heat-regulating apparatus.
|
US1031955A
|
|
Boiler-feeding apparatus.
|
US909013A
|
|
Boiler-feeding apparatus.
|
CA103518A
|
|
Heat regulator
|
US843093A
|
|
Heat-regulating apparatus.
|
CA84019A
|
|
Valve
|
US733329A
|
|
Temperature-regulator.
|
CA72235A
|
|
Temperature regulator
|
CA86736A
|
|
Heat regulator
|
US675288A
|
|
Back-pedaling brake.
|
CA48788A
|
|
Mechanical boiler feeder
|
CA210809A
|
|
Electrically operating control
|
US1057447A
|
|
Steam-pressure-regulating apparatus.
|