Servicing projection equipment (1932)

Page scan 00077 from Servicing projection equipment

Record Details:

Title:
Servicing projection equipment
Date:
1932
Publisher:
New York : Mancall Publishing Corp.
Volume:
Servicing projection equipment
Leaf #:
00077
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.

MERCURY ARC RECTIFIER 61 8. Tube Tilts Feebly (a) — This may be due to a low circuit voltage. Check the voltage. (b) — An incorrect current frequency will also cause this. Test this frequency and be sure it is correct when the installations are made. (c) — The tube is out of balance for it may be too heavy at the lower end. Readjust the balance. (d) — Friction in the tilting device is another common cause. Check the device and remedy it if necessary. 9. Tube Lights and Keeps on Tilting (a) — The relay that opens the tilting circuit does not work. Examine it and if it does not operate, check for the following. 1. The winding may be short-circuited. 2. Friction or lodged dirt may be preventing its operation. 3. A bent part or damaged spring may be pre venting its movement. 10. Device is Very Noisy (a) — The floor may be vibrating with the device. Test its solidity and insulate the device by setting it on sound-absorbing pads, or move it to another location.