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GB312815A
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Improvements relating to tubular structures such as superheaters, water heaters, airheaters and the like
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US1642216A
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Pressure regulator
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US1450112A
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Reciprocating-piston engine
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US1580077A
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Operation of valves by fluid pressure
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US1385226A
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Piston of uniflow steam-engines
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US1443239A
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Operation of valves by fluid pressure
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US1383147A
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Exhaust-valve box of internal-combustion engines
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US1345233A
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Piston for gas-engines
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US1415697A
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Cylinders of uniflow steam engines
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US1345232A
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Valve-gear for reciprocating steam-engines
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