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.
NUMERICAL INDEX TF No. 25-344 The Vertical Boring Mill—Rough Facing, Boring, and Turning a Shoulder on a Vertical Turret Lathe Tooling a vertical turret lathe for work requiring independ- ent use of vertical and side heads (22 min—1942—Film Refer- ence—From US Office of Education Film No. 17). 25-345 The Vertical Boring Mill—Facing, Turning, Boring, Grooving, Chamfering on a Vertical Turret Lathe, Using Two Heads Tooling a vertical turret lathe for work requiring simulta- neous use of both vertical and side heads (31 min—1942—Film Reference—From US Office of Education Film No. 18). 25-346 Steel Rule Steel rule in detail—Various forms in general use—Frac- tional scales—Correct use (14 min—1942—Film Reference— From US Office of Education Film No. 1). 25-347 Micrometer Various forms of micrometers—Reading micrometers—Use and care (15 min—1942—Film Reference—From US Office of Education Film No. 2). 25-348 Fixed Gages Types of fixed gages—Importance of mass production of these instruments (17 min—1942—Film Reference—From US Office of Education Film No. 3). 25-349 Vernier Scale Principles of vernier scale—Its application to precision measurement (19 min—1942—Film Reference—From US Office of Education Film No. 4). 25-350 Height Gages and Standard Indicator Fundamental principles of vernier height gage—Various forms of standard indicators—Their use (12 min—1942—Film Reference—From US Office of Education Film No, 5). 25-624 Cutting a Keyway on a Finished Shaft The shaper—Parts and controls—Procedures and precau- tions in cutting keyway in end of finished steel shaft (13 min— 1942—Film Reference—From US Office of Education Film No, 19). 25-625 Machining a Rectangular Cast Iron Block Block of cast iron used to show functions and use of parallels and various ways in which a block is set in the vise for rough machining all surfaces—Technique of operation—Use of auto- matic feed—Hand feeding (15 min—1942—Film Reference— From US Office of Education Film No. 20). 25-626 Drilling and Tapping a Cast Steel Valve Body Techniques used when drilling and tapping blind holes in cast steel on a radial drill—Drill jig with loose bushings used for locating holes (19 min—1942—Film Reference—From US Office of Education Film No. 22). 25-627 Drilling to a Lay-out and Spotfacing a Cast Iron Valve Body Drilling and spotfacing holes in flange of cast iron valve 358 AGO 10118B