Richardson's handbook of projection (1927)

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.

592 HANDBOOK OF PROJECTION FOR Plate 4, Figure 195. 1, lifting lug; 2, name plate; 3, mounting bolt for slate panel; 4, cast iron cover for dial switch; 5, dial switch handle; 6, rear perforated cover; 7, cable containing leads; 8, transformer; 9, spring clip on side terminal of bulb; 10, mercury pool in bulb; 11, lead to side terminal of bulb; 12, spring clip on large lower terminal of bulb; 13, resistance box terminal; 14, main cast iron frame; 15, resistance box; 16, stud for link connector; 17, upper link connector; 18, lower link connector; 19, end of relay contact stud; 20, transformer leads; 21, stud for front perforated cover; 22, bolt for front perforated cover; 23, mounting bolt for transformer; 24, upper bulb holder spring; 25, bulb; 26, lower bulb holder spring; 27, mounting strap for tilting magnet and resistance box; 28, • lug for tilting magnet and resistance box; 29, spring clip on small lower terminal of bulb; 30, tilting magnet frame; 31, tilting magnet coil; 32, terminal board; 33, connector on terminal board; 34, wiring from terminal board; 35, dial switch pointer.