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How To Make Electrical Machines
HOW TO MAKE
Electrical Machines.
Containing full directions for making electrical
machines, induction coils, dynamos,
and many novel toys to be
worked by electricity.
By R. A. R. BENNETT.
FULLY ILLUSTRATED.
NEW YORK
FRANK TOUSEY, Publisher
24 Union Square
Entered according to Act of Congress, in the year 1900, by
FRANK TOUSEY,
in the Office of the Librarian of Congress at
Washington, D. C.
How to MakeElectrical Machines.
How to Make a Simple ElectricalMachine.
I propose to describe a method of making an electricalmachine of small dimensions, but capable of performing allthe experiments that are likely to be required of it.
Fig 1.—Back of Rubber, Showing Position of Hole.
For the stand of the machine take a piece of wood (dealwill do, but mahogany would be preferable) 14 inches inlength, 8 inches in breadth, and ⅝ inch in thickness. Tothe bottom of this fasten two more pieces of the same wood,1¼ inches broad, 8 inches long, and ⅝ inch in thicknessat opposite ends, so that the edges are flush with the board.This forms our stand, on which we now proceed to erect themachine. Take another piece of the same wood, 7 incheslong by 2½ broad, and ⅞ inch thick and fasten it firmlyby four screws at the ends to the base board at a distance ofhalf an inch from one end of its length and in the center ofits breadth.
We now take two pieces of wood 14½ inches long by 2¼inches broad and ½ inch thick, and fasten them up[Pg 4]rightto the opposite sides in the center of the piece justfixed to the board. They must be fixed very firmly to itwith several screws, as they have to bear a severe strainwhile the machine is worked.
P...