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GB191319333A
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A Process for Producing Multi Colour Printing Blocks.
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GB191212550A
|
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An Improved Etching Process.
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GB191220502A
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An Improved Mechanism for Transforming Rotary Movement into Reciprocating Movement.
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US1081289A
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Etching-machine.
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US1081290A
|
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Etching process.
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US1013717A
|
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Etching-machine.
|
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GB191100858A
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Improvements in Etching Machines.
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US1009621A
|
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Sliding crank-gear.
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GB191028497A
|
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Improvements in and relating to Crank mechanism.
|
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US978261A
|
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Copying-frame.
|
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GB190916093A
|
|
Improvements in Photographic Printing Frames.
|
|
GB190911758A
|
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An Improved Method and Apparatus for Regulating Colour-feeding in Inking Apparatus.
|
|
US984991A
|
|
Apparatus for regulating the color-feeding in inking apparatus.
|
|
US967875A
|
|
Process for producing printing-plates.
|
|
GB190825934A
|
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An Improved Process for Producing Printing Plates, and the like.
|
|
GB190815626A
|
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An Improved Process for Making Autotypes and Apparatus therefor.
|
|
US926377A
|
|
Process for making autotype printing-blocks.
|
|
US928923A
|
|
Etching-machine.
|
|
GB190623392A
|
|
An Improved Method of Etching and Apparatus therefor.
|
|
US928922A
|
|
Method of etching.
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