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NUMERICAL INDEX
TF No. 25-342
25-343
25-344
25-345
25-346
25-347
25-348
25-349
25-350
25-624
25-625
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 OfTicc of Education I'^ilm No. 15).
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).
The Vertical Boring Mill — Rough Facing, Boring, and Turning a Shoulder on a Vertical Turret Lathe
Tooling a vortical 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).
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).
Steel Rule
Steel rule in detail — Various forms in general use — Fractional scales — Correct use (14 min — 1942 — Film Reference — From US Office of Education Film No. 1).
Micrometer
Various forms of micrometers — Reading micrometers — Use and
care (15 min — 1942 — Film Reference — From US Office of Education Film No. 2).
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).
Vernier Scale
Priiicii)l('s of vernier scalo — Its application to precision measurement (19 min — 1942 — Film Reference — From US Office of Education Film No. 4).
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).
Cutting a Keyway on a Finished Shaft
The .sliupor — Parts and controls — Procedures and precautions in cutting kcyway in end of finished steel shaft (13 min — 1942 — Film Hcftrciicc — From US Office of Education Film No. 19).
Machining a Rectangular Cast Iron Block
Hlock ea.st of iron used to show functions and use of parallels and various ways in whicli a block is set in the vise for rough inaehiiiing all surfaces — Technique of operation — Use of automatic feed — Hand
408