16mm Filmography
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Optical Craftmanship.

Complete catalog record
OPTICAL CRAFTMANSHIP. Bell & Howell Co., for U. S. Office of Education, c1944. © Bell & Howell Co. Appl. author: William F. Kruse. Rough Grinding Spherical Surfaces. 3 reels. © 11Sep44; MP15373. Rough Grinding by Pen-Bar Spherical Surfaces. 2 reels. © 11Sep44; MP15374. Pitch Buttoning and Blocking Spherical Lenses. 3 reels. © 11Sep44; MP15375. Fine Grinding Spherical Surfaces. 2 reels. © 11Sep44; MP15376. Polishing Spherical Surfaces, 3 reels. © 11Sep44; MP15377. Centering, Edge Grinding, and Beveling Spherical Surfaces. 3 reels. © 11Sep44; MP15378.

Sources

  1. 16mm Filmography (legacy record) — title, year, length, catalog record

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