GB190924300A
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Improved Process for Making Extract of Hops.
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US992275A
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Process of extracting hops.
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US774456A
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Burner.
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US713354A
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Means for storing and distributing gas.
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US844694A
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Process of drying gas.
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US850680A
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Process of purifying gas.
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US709057A
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Door-catch.
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US709056A
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Lock.
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US774340A
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Pressure-regulating valve.
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CA76234A
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Carbide holder
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CA74790A
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Acetylene gas generator
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GB190116702A
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Improvements in Acetylene Gas Generators.
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GB190116701A
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Improvements in Carbide Holders.
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US713353A
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Acetylene-gas generator.
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CA71601A
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Gas depurator
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US824956A
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Depurator for gas.
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GB190020073A
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Improved Means of Purifying Acetylene and other Gases
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US729514A
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Gas-drying apparatus.
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CA70318A
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Acetylene gas generator
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GB190012240A
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Improvements in Acetylene Gas Generators.
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