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NUMERICAL INDEX
TFNo. 25-152 Ignition and the Spark Plug
Fundamentals of construction, operation, and maintenance of spark plugs and ignition systems used in motor vehicles (21 min — 1941).
25-333 The Engine Lathe— Rough Turning Between Centers
Setting up engine lathe for a rough turning job between centers — mult; Piece already cut to length and centered — Safety precautions in dress and work — Various controls on lathe (15 min — 1941 — Film Reference—From US Office of Education Film No. 6).
25-334 The Engine Lathe — Turning Work of Two Diameters
Sequency of operations in turning a gear blank with a shaft from a solid piece of round stock (14 min — 1941 — Film Reference — From ipil US Office of Education Film No. 7).
25-335 The Engine Lathe— Cutting a Taper with the Compound Rest and • m&ri ) ,$nivf>With the Taper Attachment
Operations when turning sharp taper on level gear blank with compound rest and slight taper on shaft with taper attachment (10 min — 1951— Film Reference— From US Office of Education Film No. 8).
25-336 The Engine Lathe— Drilling, Boring, and Reaming Work Held in Chuck
Operations when cutting tapered hole in solid forged steel gear blank — Operations in centering piece in chuck, rough facing, drilling, tapered boring, and reaming (10 min — 1942 — Film Reference — From US Office of Education Film No. 9).
25-337 The Engine Lathe— Cutting an External National Fine Thread
Various shapes and uses of national fine thread — Procedures for cutting thread on lathe (12 min — 1942 — Film Reference^-From US Office of Education Film No. 10).
25-338 The Milling Machine
Parts of earliest standard plain milling machine — Capabilities, operation, and work accomplished on it (7 min — 1942 — Film Reference— From US Office of Education Film No. 11).
25-339 The Milling Machine— Cutting Keyways
Setting up shaft on table of milling machine for cutting keyway at each end — Selection of cutter — Determination of speed and feed — Setting machine for depth and length of cut (15 min — 1942— Film Reference— From US Office of Education Film No. 12).
25-340 The Milling Machine— Straddle and Surface Milling to Close Tolerances
Methods and procedure followed when rough milling a solid bar of stock — Finish milling of same piece to given shape and size (27 min — 1942— Film Reference— From US Office of Education Film No. 13).
25-341 The Milling Machine— Straddle Milling
Procedures followed when straddle milling a pair of connecting rods held in a fixture — Function of fixtures in production work illustrated (17 min— 1946— Film Reference— From US Office of Education Film No. 14).
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