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GB564048A
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Improvements in or relating to carriages carrying the paper for typewriters or calculating machines
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GB573179A
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Improvements in or relating to talking machines
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GB573178A
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Improvements in or relating to devices for detecting the diameter of discs in talking machines
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GB568206A
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Improvements in or relating to devices for controlling the changing of discs in talking machines with automatic changing of discs
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GB551696A
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Improvements in cushions for the type bars of typewriters
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DE728412C
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Optical and acoustic device for indicating the end of the sheet in a typewriter
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GB549635A
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Improvements in and relating to devices for automatically stopping a talking machine provided with means for changing discs automatically
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GB540235A
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Improvements in margin mechanism for typewriter
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GB511317A
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Improvements in or relating to cinematographic projectors
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DE711738C
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Cinema projector for different film sizes
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DE715241C
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Centrifugal governor
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DE673539C
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Typewriter with multi-armed intermediate levers, one of which moves the universal rail
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DE673487C
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Paper slide storage for typewriters
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DE644340C
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Device for the automatic reversal of the ribbon length movement on typewriters or the like.
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GB400133A
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Ink ribbon raising and colour changing mechanism for typewriters
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GB401997A
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Device for operating the universal bar of typewriters through the key-levers
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GB401996A
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Innovation in the carriage stop system for the formation of margins in typewriters
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GB401998A
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Improvements in the ribbon transport and automatic reverse mechanism in typewriters,calculating and similar machines
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GB409882A
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Improvements in and relating to cinematographic apparatus
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GB384531A
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Improvements in or relating to gramophone pick-ups
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