~ Sears, Roebuck and Company. Catalogue of electrical goods, [not before 1906]via Harvard University Library(click to enlarge)"…affords great amusement as well as instruction. The current can be so regulated that it will make a strong man tremble, or so mild as not to injure a child."

~ Sears, Roebuck and Company. Catalogue of electrical goods, [not before 1906]
via Harvard University Library
(click to enlarge)

"…affords great amusement as well as instruction. The current can be so regulated that it will make a strong man tremble, or so mild as not to injure a child."