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NUMERICAL INDEX
TFNo.
25-342 The Milling Machine — Plain Indexing and Cutting A Spur Gear
Set-up of milling machine — Use of dividing head — Cut of 8-pitch spur gear with 36 teeth (25 min — 1942 — Film Reference — From US Office of Education Film No. 15).
25-343 The Vertical Boring Mill — Rough Facing, Turning, and Drilling on a Vertical Turret Lathe
Operations used in rough facing, turning, and drilling aluminum casting held in chuck jaws of vertical turret lathe (31 min — 1942 — Film Reference — From US Office of Education Film No. 16).
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 independent use of vertical and side heads (22 min — 1942 — Film Reference — 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 simultaneous 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 — Fractional isaillhb <; 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 Tub'; care (15 min — 1942 — Film Reference — From US Office of Education Film No. 2).
25-348 Fixed Gauges
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 —1ml ir No. 4).
25-350 Height Gauges 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 precautions in cutting key way in end of finished steel shaft (13 min— 1942— Film Reference — From US Office of Education Film No. 19). lit-\
25-625 Machining a Rectangular Cast Iron Block
Block cast of 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 automatic feed — Hand
408