F. H. Richardson's bluebook of projection (1942)

Record Details:

Title:
F. H. Richardson's bluebook of projection
Date:
1942
Publisher:
New York : Quigley Publishing Company, Inc.
Volume:
F. H. Richardson's bluebook of projection
Leaf #:
000680
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:
July 11, 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.

664 RICHARDSON'S BLUEBOOK OF PROJECTION THE TROUBLE TESTS THE CONDITION FOUND NEXT TEST 27. • Check speaker field excitation • Field excitation normal Field excitation low 1 No. No. 28 32 28. Check volume from other projector Other projector volume normal Other projector volume low No. No. 35 29 29. Apply Tests No. II (or 12), 14, 15 and 16, above, to filter network TROUBLE FOUND No trouble found No filter network No. No. 30 30 30. Apply tests No. 10, 1 1 (or 12) and 14, above, to external or internal connections between changeover and amplifier, including changeover TROUBLE FOUND No trouble found No. 31 31. Apply Test No. 30, above, to backstage circuits TROUBLE FOUND 32. Check excitation voltage at source, disconnecting line to speakers Voltage normal for open line Voltage low for open line No. No. 33 34 33. Proceed per Test No. 24, above, to clear speaker excitation line TROUBLE CURED 34. Apply Test No. 25, above TROUBLE CURED 35. Proceed per Chart No. 9 TROUBLE FOUND Trouble not found No. 36 36. Apply Test No. 30, above, to circuits between faulty projector and sound changeover TROUBLE FOUND 37. Apply Test No. 18, above, to unit showing faulty reading TROUBLE FOUND 38. Apply Test No. 31, above TROUBLE FOUND 39. Apply Test No. 13, above, to all amplifiers, except those associated exclusively with one projector only TROUBLE FOUND No trouble found No. 40 40. Apply Tests No. 14, 15 and 16, above, to filter network TROUBLE FOUND No trouble found No filter network No. No. 41 41 41. Apply Test No. 14, above, to all external sound lines TROUBLE FOUND No trouble found No. 42 42. Apply Test No. 31, above TROUBLE FOUND