Amateur talking pictures and recording (1933)

Page scan 00050 from Amateur talking pictures and recording

Record Details:

Title:
Amateur talking pictures and recording
Date:
1933
Publisher:
London : Sir Isaac Pitman & Sons, Ltd.
Volume:
Amateur talking pictures and recording
Leaf #:
00050
Language:
English
Subjects:
Motion Pictures, Motion Picture Technology
Collection:
Books
Format:
Books
Contributor:
Media History Digital Library
Sponsor:
Media History Digital Library
Coordinator:
Media History Digital Library
Description:
Date Added:
May 02, 2024
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38 AMATEUR TALKING PICTURES The Pam-O-Graph, a product of the Sampson Electric Co., of Canton, Mass., and handled in this country by Messrs. Claude Lyons, Ltd., is a complete electrical apparatus designed specifically for the purpose of recording on plain aluminium discs. It is not an attachment to nor an adaption of any existing apparatus, but each detail has been worked out with a view to producing the best results on the recording medium adopted. Fig. 19 shows a general view of the equipment housed in the usual American type of walnut cabinet. As will be noted, both a recording and a reproducing head are provided, together with a loud speaker. The traverse is accomplished by internal gearing which eliminates the necessity for overhanging lead screws and such -like which while they work quite efficiently do not make for ease of operation. Of course, where attachments for home recording have to be made on existing gramophone turntables, the equipment of necessity must be such that it can easily be fixed, and in this case some lead screw device which overhangs the turntable is unavoidable. The discs used on the PamO-Graph vary in size from 6 in. Fig The Pam-O-Graph to 12 in. below — Incidentally the playing time of these is as given 6 in. 7-| in. 10 in. 12 in. If min. 2 min. 3 1 min. 5 min. One of the unique features of the Pam-O-Graph is a device