DK15938C
(en)
|
|
Petroleum steam burner with central air supply.
|
DK15540C
(en)
|
|
Petroleum steam burner.
|
CH56937A
(en)
|
|
Gas burner
|
NL1632C
(en)
|
|
Improved steam heater
|
CH63056A
(en)
|
|
Central heating stove
|
CH63055A
(en)
|
|
Gas heater
|
NL536C
(en)
|
|
Improved gas burner
|
CH59833A
(en)
|
|
Air heater
|
CH63054A
(en)
|
|
Gas heating furnace
|
CH60731A
(en)
|
|
Petroleum gas stove
|
CH61645A
(en)
|
|
Petroleum gas stove
|
DK21475C
(en)
|
|
Liquid heater with Gas heating.
|
CH61406A
(en)
|
|
Steam oven
|
CH57968A
(en)
|
|
Steam oven
|
CH58280A
(en)
|
|
Heating device on steam boilers
|
CH61081A
(en)
|
|
Oil burner
|
DK17612C
(en)
|
|
Mechanical Fuel Supply for Boiler.
|
AT67110B
(en)
|
|
Heating pipe superheater.
|
DK16046C
(en)
|
|
Heater.
|
CH52963A
(en)
|
|
Heating tube ship boiler with flame tube
|
CH62290A
(en)
|
|
Locomotive boiler firing
|
DK16316C
(en)
|
|
Gas stove.
|
CH59406A
(en)
|
|
Steam cooker
|
CH62945A
(en)
|
|
Tubular steam boiler with instant steam generation
|
CH73440A
(en)
|
|
Gas heater with superheater
|