Motion picture projection; an elementary text-book (1921)

Record Details:

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.

MOTION PICTURE PROJECTION 361 of the crate, it can be very conveniently handled by these lugs, should it be necessary to lift it any distance to its permanent location. When located, it should be placed upon the four pieces of cork composition which are sent with the machine, and which serve to minimize vibration and at the same time insulate the frame from ground. It is not necessarv to bolt it down. Installation Instructions Wiring — Make connection from the A. C. line service to the starting switch and from the starting switch to motor terminals, 1, 2 and 3; then close the switch and make sure that the armature rotates in the direction indicated by the arrow on the top bearing housing. If the armature rotates in the wrong direction, it must be reversed by interchanging any two of the A. C. motor terminals. Caution — Do not change connections inside of Transverter unit to correct direction of rotation or polarity. The machines are all checked up complete with their equipment when tested. The motor must be connected to proper side of the line and connections to panels must be made correctly to bring polarity of the instruments and lamp carbons correct. Fuses — Fuse the A. C. motor side of these machines only. The D. C. Generator circuit does not require fuses or switches other than shown on the wiring print. The A. C. fuses at the A. C. motor starting switch must be of large enough capacity to carry the maximum load of the machine. Wiring to Lamps — Use wire of sufficient size to carry rated current of Transverter to connect from