Build an Electric Stencil
These plans are for an electric stencil anodizer.
You can easily—and safely—put electrochemistry
to work "branding" your name
on tools, or decorating aluminum sheets.
The stencil pad consists of a metal plate
(copper, aluminum—even a scrap of tin
can) covered with felt that's saturated
with a solution of table salt (or with
Over this pad you smooth a section of
an ordinary mimeograph stencil (available
at any office-supply store) which you
have typed on a typewriter set for stencil
Electric Stencil Anodizer
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