Mechanical practice (NAVPERS 14,004), 2nd Ed.
"PREFACE
This pamphlet was originally prepared by Radio Electrician Walter Schimmelpfennig, U. S. N, of the Warrant Officers Radio Engineering School, class No. 13, primarily for use as a text and for reference material in the Radio Materiel School. It should also prove to be of inestimable value as a handbook in the radio workshop...."
CONTENTS
Chapter 1. Soldering, Soldering Irons, Torches:
Soldering 1
Fluxes 1
Solders 2
Soldering appliances and practice — Electric soldering iron and copper 3
Torches 9
Questions 12
Chapter 2. Files and Filing:
Files 13
Filing 16
Pinning 17
Chattering 18
Common use of files 18
Care of the file 18
Questions 19
Chapter 3. Types of Drills, Layout, Drilling, Taps and Dies:
Drills 20
Layout 26
Drilling 27
Taps and Dies 30
Chapter 4. Hacksaws:
Types and uses 38
Power-operated hacksaws 40
Questions 40
Chapter 5. Screws and Fastenings:
Machine screws 41
Stripper bolts 51
Machine bolts 51
Carriage bolts 51
Stove bolts 52
Sheet metal screws 52
Self-tapping screws 52
Drive screws 53
Set screws 53
Machine screw nuts 54
Escutcheon pins 55
Wood screws 55
Lag screws 56
Chapter 6. Annealing, Bending Metal Tubing and Small Rods, Flanging Tubing, Cutting Sheet Aluminum, Cutting Round Holes in Aluminum, Bearing Puller for Small Bearings, Spark Test for Hardness Test of Metals:
Annealing 56
Bending metal tubing and small rods 56
Cutting sheet aluminum 57
Cutting round holes in aluminum 58
Small bearings removed quickly with improvised puller 59
Spark Test for Hardness of Metal 59
Questions 60
Chapter 7. Wire Splicing — Cables:
Wire splicing
Cables
Questions
Chapter 8. Precautions to be Observed When Using Gasoline:
Inspections
Fire-fighting equipment
Gasoline fire extinguishing
Questions
Chapter 9. Radio Manufacturers' Association ("RMA") Standards:
Resistors and capacitors
Preferred number list

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