Simple Electric Welder
By Jack Parrish
This welding device is excellent for
light work such as welding wires, and
at the same time is an interesting appliance to work with.
An iron pipe one by fifteen inches is
insulated with mica and a coil of heavy
iron wire wrapped around it. This should
be mounted on a slate base. A carbon
block and a carbon pencil, with some kind
of a holder such as an old screwdriver,
will also be required.
The carbon block can be made out of
the carbons from old dry cells. The carbons should be cut so that the sides are
square. Eight of these may be bolted
together in the form of a square and tied.
This will give a very good block.
The carbon pencil can be made from
the carbon out of a flash-light cell. It
should be pointed on one end and clamped
to the handle on the other.
The object to be welded is to be placed
on the carbon block, then the pencil is
touched to the carbon block and quickly
drawn away about a quarter inch. This
strikes an arc. Next push the carbon
pencil toward the object to be welded,
but do not touch the metal. The intense
heat set up by the arc will in a very short
time melt the object near it, and the
metal will run together.
Very good work can be done with this
device after a little practice. Smoked or
colored glasses should be worn when using
the apparatus, as the extremely bright
light of the arc is injurious to the eyes.
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