in a mandrel placed in the centers of
the lathe, has finished a cut for a tooth, the pawl is disengaged
and the mandrel turned to another tooth in the clock wheel.

In order to get the desired height it is sometimes necessary to
block up the lathe head and the final depth of the tooth adjusted
by the two screws in the projecting end of the frame which rests
on the rocker in the tool post. Should too much spring occur when
cutting iron gears the frame can be made rigid by blocking up the
space between it and the lathe bed.

The cutter mandrel is placed in the centers of the lathe, or
should the lathe head be raised, a short mandrel with the cutter
near the end can be placed in a chuck, and adjusted to run true.
The frame holding the mandrel, gear blank and clock wheel is
inserted in the tool post of the lathe and adjusted for depth of
the cutter. The lathe is started and the gear blank fed on the
cutter slowly until the tooth is cut. The pawl is released and the
mandrel turned to the proper number of teeth and the operation
repeated. In this manner gears 3 in. in diameter can be made on a
6-in. swing lathe.
--Contributed by Samuel C. Bunker, Brooklyn, N.Y.

** Wire Terminals for Battery Connections [168]

[Illustration: Cotter Pin Wire Terminal]

Good connections on the end of wires for batteries can be made
from cotter pins, Fig. 1, about 1-1/2 in. long. Each end of the
wire is put through the eye of a cotter pin, twisted around itself
and soldered. The connection and eye are then covered with tape as
shown in Fig. 2. When connecting to batteries, spread the pin and
push the parts under the nut with one part on each side of the
binding-post. When the nuts are tightened the connection will be
better than with the bare wire.
--Contributed by Howard S. Bott.

** Simple Arts and Crafts Leather Work [168]

Very interesting and useful pieces of leather work can be done
with nothing more for equipment than a cup pointed nail set such
as carpenter use, and a nut pick.

The accompanying illustrations show some of the things that can be
made. Beginning at the left and reading to the right they are:
Case for court-plaster, coin purse, lady's card case, eye glass
cleaner or pen wiper (has chamois skin within). Second row: Two
book marks, note book, blotter back, book mark. Third row: Pin
ball (has saddler's felt between the two leather disks), tea
cosey, gentleman's card case or bill book. Fourth row: Needle or