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Excerpt from Popular Mechanics: Shop Notes, Volume 26, 1930.
Angle-Iron
Corner Fixture for Clamps
Difficulty is often experienced in fastening mitered corners
together while the work has to be held square. Fig. 1 shows
how a piece of 2-in. angle iron of appropriate length and
a pair of clamps can be used to advantage. Fig. 2 illustrates
a fixture that is of considerable value in working with sheet
metal, for holding the pieces together while welding, brazing
or other operations. Three pieces of angle iron are fastened
together, while a fourth piece, of which the center section
is cut away, is also provided. In use, the work is placed
inside of the main part of the fixture, and the slotted section
is pushed in against the work to hold it firmly in position,
after which clamps are applied. The fixture can be laid on
a bench horizontally so that melted solder or spelter will
run into the corners of the work instead of collecting along
the sides.
Editor's Note: This is a reprint of an article published
in 1930. It describes what was recommended in accordance with
the knowledge and practices of the day. While reading it,
please consider this fact.
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