Page:Popular Science Monthly Volume 92.djvu/145

 Popular Science Monthly

��129

��■74-

���A

��FI6.7

���"1.^

�� ��AfaA-e /-JSAx^ss-B^ncftoSi/it'

��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

��-16 ^dXir' F.HJrotfWdoc/Jcreujs

��Glued

���nethodpf LocMina Corner

��'Dr,// IZ ^/6*C.6offbotrom

for 12 *eg/i "F.tf. /rof? hbcx/Sc^s

��.M.

��t^ahe l-Wooif

��■17

��5 ^

��■,.r-

��na/ie 1-^' Jfou^f? urood

��i

��i i

��© i J

��t7aMe Z -^ " yVood

��t7a/seZ-^''6^.nbod

��■ir

��Hake /-^')Yood

��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

�� �