251. Motion picture handbook; a guide for managers and operators of motion picture theatres Date: [c1916] Item Details: Details and Download Information Full Page: Read this page in Context Highlighting: Read in Context with Search Highlighted Date Added: July 19, 2022 Excerpt: sprocket at the first bad patch. This does not apply to the Edison machines. Their idler
252. Motion picture handbook; a guide for managers and operators of motion picture theatres Date: 1910 Item Details: Details and Download Information Full Page: Read this page in Context Highlighting: Read in Context with Search Highlighted Date Added: July 19, 2022 Excerpt: electric light company test your current flow with an ammeter, if possible. But first proceed as follows
253. Motion picture handbook; a guide for managers and operators of motion picture theatres Date: 1910 Item Details: Details and Download Information Full Page: Read this page in Context Highlighting: Read in Context with Search Highlighted Date Added: July 19, 2022 Excerpt: the distance between the two lenses. The first thing I do when I measure a lens for equivalent focus
254. Motion picture handbook; a guide for managers and operators of motion picture theatres Date: [c1916] Item Details: Details and Download Information Full Page: Read this page in Context Highlighting: Read in Context with Search Highlighted Date Added: July 19, 2022 Excerpt: this table proceed as follows: First measure the diameter of the opening of the objective
