Servicing projection equipment (1932)

Page scan 000123 from Servicing projection equipment

Record Details:

Title:
Servicing projection equipment
Date:
1932
Publisher:
New York : Mancall Publishing Corp.
Volume:
Servicing projection equipment
Leaf #:
000123
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:
August 15, 2024
Something wrong or inaccurate about this page? Let us Know!

Thanks for helping us continually improve the quality of the Lantern search engine for all of our users! We have millions of scanned pages, so user reports are incredibly helpful for us to identify places where we can improve and update the metadata.

Please describe the issue below, and click "Submit" to send your comments to our team! If you'd prefer, you can also send us an email to mhdl@commarts.wisc.edu with your comments.




We use Optical Character Recognition (OCR) during our scanning and processing workflow to make the content of each page searchable. You can view the automatically generated text below as well as copy and paste individual pieces of text to quote in your own work.

Text recognition is never 100% accurate. Many parts of the scanned page may not be reflected in the OCR text output, including: images, page layout, certain fonts or handwriting.

LIGHT CONDITIONS 107 this trouble. If the definition is poor when a new lens is installed, any one of these three reasons is probably the difficulty. (d) — This may also be due to improperly assembled lenses or to an imperfectly adjusted optical train. This should be checked and corrected if any fault is found. (e) — There may be some dirt or oil on the lenses or between the glasses of the condenser of the projector. Examine these parts and clean them, if necessary. (f) — Examine the film, for it may be that an oily or dirty section is being run at the moment when the definition appears poor. (g) — If the screen in use has a highly reflective surface, too much light is being employed. If this is found so, reduce the light. 3, Detail Lacking in Screen Result (a) — Examine the print first, for the trouble may be inherent in the print. (b) — Occasionally a screen surface is of such a nature that it causes an effect of sharp, harsh lighting, thereby causing the pupil of the eye to contract voluntarily in order to overcome it. In this state the pupil admits only the highlights and the deep shadows and gives the impression of lack of