|
US944959A
|
|
Apparatus for charging retorts.
|
|
GB190604367A
|
|
Improvements in Machines for Charging Gas Retorts and the like.
|
|
US906785A
|
|
Centrifugal machine for feeding gas-retorts.
|
|
GB190510065A
|
|
Improvements in Propeller Apparatus for Conveying Granular Materials and particularly for Charging Gas Retorts.
|
|
US867711A
|
|
Splitting-machine.
|
|
US903184A
|
|
Gas-retort-feeding machine.
|
|
US882304A
|
|
Extracting apparatus for horizontal retorts.
|
|
US793773A
|
|
Gas-retort-charging machine.
|
|
US744316A
|
|
Apparatus for charging furnaces.
|
