File:Popular science monthly (1872) (14782727662).jpg

Identifier: popularsciencemo89newyuoft (find matches)
Title: Popular science monthly
Year: 1872 (1870s)
Authors:
Subjects: Science
Publisher: New York : D. Appleton
Contributing Library: Gerstein - University of Toronto
Digitizing Sponsor: University of Toronto

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shown on the screen,the cxlinder in the orciiestra pit has matie, in asuccession of short steps, one complete re\dlution.The face of this cylinder which is made froman ordinary steel imlley, isdi\ided into two parts,as shown. Fifteen parallel lines of equalhspaced small holes, are bored around one side,while a strip of ruled jiaper encircles the other.Wlun the orchestra leader \-iews the film for thelirsl lime he makes small (lencil dots on thepaper c\ Under, as the drum slowK re\ol\-es. Hehas fifteen ruled olT columns in which to placedots, each column being allotted to a certainmusical cue. Let us say, for illustration, thatthe opening scene of the film calls for loud,exciting music. A stationary index-card, fasten-ed on a fr.ime al)ove the cyliniler, informs himliiat fortissimo, or ff, shall be indicated incolumn No. 2 on the paper record. He makes apencil mark in that space. As the film progressesits dr.imalic (;ii.ilil\ changes, let u> sa\\ to Io/iiihir Scirnrr Moiit/ili/ 735
Text Appearing After Image:
A worm gear connects the shaft of thehandle of the projector-machine withthe steel pegs of the cue-machine WHE.E.L RLVOLVESONCt LVERY 15 T- REVOLUTiON or OPERATORS -,■■,->■HANJDLE iJ)LI sentimental. The necessary orchestralaccompaniment will be pianissimo.This shading is expressed, accordingto the index card, in column No. i.By that time the control device onthe projector has moved the cylinder ashort distance, so that the pencil markwill be slightly lower than the first one.This operation is repeated until the filmhas run its course. The cylinder hasmade one complete revolution. In order that the record of musical shadingsmarked in pencil dots on the pajier record maybe indicated by the Hashing of cues in theirproper order, the pencil dots must be duplicatedon the left hand side of the cylinder by meansof steel pegs fitted into the lines of holes. Thereare fifteen of these lines of holes correspontlingwith the fifteen columns on the paper record. The first scene, we remember

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