Popular Science Monthly 



129 



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Dimensions of the wood for making one- 

 half of the tone arm and stylus details 



view of the stylus is given in Fig. 7. The 

 stylus is mounted freely between small rub- 

 ber washers F. The thumbscrew is made 



from a small round head-iron machine screw 

 with a crosspiece soldered in the kerf. 



Detailed drawings of the cabinet parts are 

 shown in Fig. 8. The bottom molding is 

 shown at G. This can be made from any 

 suitable standard molding or gouged out 

 with hand tools. Four corner pieces are 

 glued and screwed in as shown. The closing 

 panel for the bottom of the cabinet is shown 

 at H. The side pieces are shown at / and 

 the corner securing cleats at J . The back 

 piece is at K. 



Other cabinet details are shown in Fig. 9. 

 Eight screws secure the base G, Fig. 8, to the 

 molding part L, Fig. 6. The top panel is 

 shown at M and the horn mounting strips at 

 A^ and O. The bottom, sides and top of the 

 horn are shown in P, V and R respectively. 

 If desired the horn can be made of 3^-in. 

 hard cardboard. 



One-half of the tone-conducting chamber 

 which connects the tone arm with the horn is 

 shown in Fig. 10. It is made of soft white 



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FI6.6 

 Top molding details together with the three sides and bottom board which may be made of any 

 wood desired, cut from rough stock and shaped by hand, or purchased from a dealer 



