Electric Toy Making for Amateurs by O'Connor Sloane

Author:O'Connor Sloane [Sloane, O'Connor]
Language: eng
Format: epub
Tags: Technique
Published: 0101-01-01T00:00:00+00:00

The Electric Hammer.

This toy, although, if made small, it is only a sort of model of a steam hammer, can be made quite powerful enough to be of some service. For the latter end, it would be well to vary the construction a little, and to use a polarized hammer spindle. Simplicity is favored by the construction described.

As shown in the cut, it comprises a solenoid or deep magnetizing coil, mounted on a suitable frame and base. Under the axis of the core is placed an anvil.

A bar of soft iron nearly fits the opening in the centre of the coil. The lower end of the bar is fitted with an enlargement to represent the hammer head.

One battery wire connects directly with one of the coil terminals. The other battery wire is attached to a flat rubbing plate of ebonite, or hard wood, which is secured by a single screw to the frame, so that it can be swung up or down, as desired. The attachment of the wire thereto is effected by a screw screwed into the plate, and through which its point extends.

The point is then filed off so us to be exactly flush with the face of the plate.

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