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DE523841C
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Talking machine for uninterrupted playback of several records
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DE523840C
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Talking machine for uninterrupted playback of several records
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DE519485C
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Speed change gear
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DE535488C
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Self-collecting speaking machine
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DE522610C
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Talking machine for uninterrupted playback of several records on two turntables
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DE522609C
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Talking machine with raisable and lowerable record magazine
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DE402139C
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Box speaking machine with electric lighting for the record
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DE384049C
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Automatic braking device for record speaking machines
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DE384807C
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Sound line for speech machines
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DE375744C
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Talking machine with spring and electric drive
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DE355432C
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Talking machine record
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DE524036C
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Talking machine with raisable and lowerable record magazine
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DE531317C
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Talking machine for non-stop playing several records in a row
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DE374646C
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Box speaking machine
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DE363746C
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Automatic switch-on and switch-off device for the motor of electrically operated speaking machines
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DE522706C
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Talking machine with raisable and lowerable record magazine
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DE360470C
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Drive device for speaking machines
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DE543767C
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Record made of plastic materials
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DE376829C
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Box speaking machine
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