OCR Text |
Show Rheostat That Permits of Very Neat Mounting A new rheostat designed to give a smooth vernier filament control has made its appearance on the market. This rheostat requires only one mounting mount-ing hole, and can be inserted in the Compact Rheostat of Graphite-Disk Type Allows Good Arrangement. hole from which the old rheostat has heen removed. It is claimed to be vernier all the way, with but one adjustment ad-justment to make, and can be used for any tube, or combination of times. It is very cmpuct. A particularly neat arrangement of the rheostat is shown in (lie upper drawing. Here the end of the rheostat is so close to the socket (hat it can be connected to the latter by means of a lead only about one-half inch long. Popular Machanlcs Magazine. |