SHOP EQUIPMENT 



479 



List of Equipment. 



1. Pliers (5 inch flat-nosed, 9 or 10 inch flat-nosed, 5 inch end cutting). 



2. Screw drivers (small, 20 cents, and large, 30 cents; Yankee, $1.50). 



3. Files (8 inch flat, 4, 6, 10, 12 inch flat, 6, 4, 8, 10, 12 inch round, square 

 and three cornered). 



Knife edge files, wood files and rasps should be bought if possible. 



4. Hammers (claw hammer, 50 cents; medium sized riveting, 50 cents). A 

 hatchet (50 cents) is desirable. 



5. Small vise ($1.75). The jaws should open parallel, not like a pair of 

 pliers. 



attachment 

 for Tension spring 



Interchanqedble pulleys 

 "Idler pulley 



Plan yf belt * 



pulleys 



Fig. 368. Detailed view of one plan of construction of the speed regulating device 

 for the kymograph shown in Fig. 367. The arrangement of the speed regulation, depends 

 largely on the speed of the motor, and hence different gears must be used for different 

 motors. 



6. Tinner's snips (6 inch, 50 cents; large size, $1.25). 



7. Hand saw (24 to 26 inch, $1.00 to $1.50). 



8. Hack saw, 8 to 12 inch adjustable ($1.00) and blades (10 and 12 inch, 

 fine teeth, 60 cents per dozen) . 



9. Hand drill (Fig. 370, $2.50) and several dozen twist drills. These run 

 in sizes from No. 60 (a little less than 3/64 inch in diameter) to No. 1 

 (a little less than 1/4 inch in diameter). Drills larger than No. 1 are 

 usually indicated in inches, the diameter increasing 1/64 inch for each 

 succeeding size. A good supply of drills should be kept on hand. The 



