Nation projector carbons (1935)

Record Details:

Title:
Nation projector carbons
Date:
1935
Publisher:
Toronto : Canadian National Carbon Company Ltd.
Volume:
Nation projector carbons
Leaf #:
00017
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 30, 2024
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Manufacture of Projector Carbons Figure 4 Section of Crushing and Milling Equipment In preparing a carbon mix the necessary ingredients are accurately weighed and thoroughly mixed with the required proportion of pitch bonding material in heated mixers, such as those illustrated in Figure 5. The resulting mix is a plastic, dough-like Figure 5 View of Mixing Department material which is next placed in powerful hydraulic extrusion presses, Figure 6, and forced through accurately calibrated dies in the form of rods of the 13