Journal of the Society of Motion Picture Engineers (1930-1949)

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.

facturing cost of the unit. With this adaptor the sound track may be reproduced as full-width normal, 50-mil left and 50-mil right. The actual width of the scanned area is slightly under 50 mils to avoid picking up unwanted signal due to weave in the film path or miscentering due to shrinkage. Further fine adjustment may be made by means of the adjusting screws if necessary. The mask is suitably curved so that it will not cut into the film in the event of a break or when the end is passing through. Using either half of the split track, the sound quality is quite acceptable. For experimental purposes an old Bell & Howell No. 179 projector (Fig. 8) was selected as representative of a type still Fig. 7. 16-mm projector adaptor. Fig. 8. Adaptor in posi MS tion on Bell & Howell, Model 179. BeacheU and Graham: Dual-Purpose Optical Prints