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DE580111C
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Blueprint machine with glass cylinder and endless conveyor
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DE528429C
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Wooden board, especially drawing board
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DE501916C
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Copy frame for blueprints
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DE409074C
|
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Development device for dry light breaks
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DE356563C
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Device for switching the copier lamp on and off for electrical blueprint machines
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DE354903C
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Slide rule
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DE364364C
|
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Glass runner for slide rule
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DE484311C
|
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Blueprint machine
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DE494064C
|
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Drawing frame with a drawing board that can be moved up and down and can be set in various inclined positions
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DE507888C
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Guide device for the paper web on paper processing machines, especially blueprint machines
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DE510620C
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Benchmark
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DE511875C
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Benchmark
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