Cine-film projection : a practical manual for users of all types of 16-mm. (1952)

Record Details:

Title:
Cine-film projection : a practical manual for users of all types of 16-mm.
Date:
1952
Publisher:
London : The Fountain Press
Volume:
Cine-film projection : a practical manual for users of all types of 16-mm.
Leaf #:
00058
Language:
English
Collection:
Books
Format:
Books
Contributor:
Niles Essanay Silent Film Museum
Sponsor:
Media History Digital Library
Coordinator:
Media History Digital Library
Description:
Date Added:
June 20, 2024
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the cables must be correctly made to prevent them from coming apart, and should be well protected with insulation tape, the latter wound in such a manner that its width is gradually tapered down to the width of the cable. Permanent joins should be painted over as an added protection, but it is most important to see that the wires within are securely spliced (Figs. 10 and ii). Plugs made of bakelite should also be covered with insulation tape, as this will prevent them from breaking if dropped. Fig. 10 JOINING TWIN FLEX A Cut the two ends so that they are of unequal lengths, and then splice the wires, by joining a long end to a short one. Staggering the joints will prevent a lumpy joint from being made, and also lessen the chance of a short circuit through faulty insulation. B Apply a little solder to each of the joins and then bind them with insulation tape. If no solder is available, splice the wires in such a way that they cannot be pulled apart. C Twist the flex to normal, then apply the outer bindings of insulation tape. When you have finished, rub the join between your hands for half a minute — this will make all the bindings stick more firmly. Test the flex at the first opportunity by connecting it to a lamp or volt-meter. 54