754 ELECTRICAL EXPERIMENTER February, 1919 … = ” NnKS an connecting wire comes wit! set, jut no batteries. wi ‘8 HE BOY’S ELECTRIC TOYS” contains enough material on 2 dry cells (one cell for each instrument). The ‘‘Electro” is the ONLY TO MAKE AND COMPLETE OVER TWENTY-FIVE Outfit that works both ways, each station can call; no switches, no…
Radio · Periodicals · Electrical Experimenter
Internet Archive · Curtis Philips · Public Domain Mark 1.0. Free to use for anything.