Show snap fasteners Fastener 3 are aid to experimenter the small snap fasteners for dresses that are sold in ho five and ten cent stores for five cents a dozen may be put to a great many uses by the radio adlo i experimenter the accompanying sketches show a few of the uses to which they can be adapted these fasteners make very ery neat binding posts and by using different sizes und and different halves pt the fasteners th tha set can can be made sa s1 s that it Is 13 impossible to connect it up wrong by soldering one half of the fastener on the phone cord and the other halt half on the panel with a common pin pill as shown the phones can be plugged in quickly and if the cord gets a strong pull they will release and not pull the set off the table A very good multi point switch can be made by pinning to the panel ns as many points as wanted in a circle and also one at the center of tile the circle and then with the two halves of the fastener soldered onto a strip of copper at a distance equal to the radius of the circle a switch arm can bo be made the fastener in the center makes a good swivel and when the right point of the switch Is found in tuning the other fastener can be dv ra fa ll 11 wa I 1 i A pushed home in making alling almost a positive contact another use made of the fasteners to Is in mounting homemade home made honere honeycomb in b or spiderweb spider web colls coils fasten one part of the fastener on both top and bottom of tho the coll coil form and solder the ends of the coil coal to them the other halt Is soldered to 8 strip of copper or brass that sets acts as the arm to swing them on this form fora of mounting to Is very handy it much changing of the colls coils Is made for it works so quickly A good connection to the end of the va varlo coupler or vart ometer rotor shaft may be ba made by soldering a fastener on the ev end and the other halt half to a flexible wire wire no doubt other uses will occur to the experimenter they are cheap and make a good contact and provide a neat appearance |