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GB191229966A
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Improvements in and relating to Keyboard and Differential Mechanism for Adding and like Machines.
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GB191116519A
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Improvements in Key Bolts.
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US936375A
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Sludge-faucet for carbid-gas generators.
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US929032A
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Charging and recharging device for carbid-gas generators.
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US920198A
|
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Agitator for carbid-gas generators.
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GB190211495A
|
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Improvements in Machines for Generating Acetylene from Carbide of Calcium.
|
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US782995A
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Acetylene-gas generator.
|
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CA77318A
|
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Machine for generating acetylene gas
|
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CA72548A
|
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Acetylene gas machine
|
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US780134A
|
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Acetylene-gas generator.
|
|
CA60330A
|
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Clay working machine
|
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GB189718715A
|
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Improvements in and connected with Wire Cut Machines for Making Bricks and the like.
|
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GB189414603A
|
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Improvements in Rotary Presses.
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