Source Code

Being lazy, I now have one that gives me a direct rpm count

Sam Polita Tucson, Arizona

Where can you find a tachometer today for $1.25? On the other hand, where did machinists of 75 years ago find the courage to hold this device against a rapidly rotating shaft?

Richard O. Thomas Stafford, Virginia

B. Saw set

C. Bottle stopper

D. Miter saw

What's

This?

Robert Ingraham of Mobile, Alabama, sent In this mystery tool — after checking with Van Horn, Inc., who didn't know what it was either. Do you?

A. Sausage maker

B. Saw set

C. Bottle stopper

D. Miter saw

It looks like a production machine for setting saw teeth. The device has arms

Answer revealed: It's B: A saw set.

This rusty remnant once set band saw teeth to enhance their cutting capacity.

on either side that lock the blade while tiie center anvils set the teeth, shifting on each tooth to allow for alternating offset The anvils are adjustable for offset and for thickness of the blade stock. The blade is advanced to the next tooth by the chisel-like arm on top that engages a tooth and pushes it along.

The blade is relocked, and the process begins again. It appears that the device could only be used on band saw blades, due to the lack of depth available. That's my guess, and I'm sticking with it... even if someone who actually knows something says it makes snow cones.

Terry Clarke St. John's, Michigan

The horizontal pushers on this device would set the teeth as you cranked the wheel, and the overhead pusher advanced the blade.

Bob Lizardo Niagara Falls, New York

It looks like a production machine for setting saw teeth. The device has arms

While in the Navy, 1956-1970, we had to sharpen and set our own band saw blades. This is the tool we used.

Robert A. Witt Summer dale, Alabama

When it comes to setting the teeth on band saws, this tool is a well-built, smooth-running, low-tech machine.

Da vid Bellingar Bellingham, Washington

Answer revealed: It's B: A saw set.

This type of tool is usually found with large older model band saws found in mill shops. The band saw blade fits in a tension vise; as the wheel is turned, a hammer on each side of the blade will bend the teeth in opposite directions.

Juan Montalvo Corpus Christi, Texas

The bench type band saw setter is either a knockoff or almost an exact copy of a Foley #282 automatic push type setter for band saw blades from 1/8" to W wide.

Ron Grantham Miles, Texas

This rusty remnant once set band saw teeth to enhance their cutting capacity.

ÖODWORKER'S ÖURNAL

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Wood Working for Amateur Craftsman

Wood Working for Amateur Craftsman

THIS book is one of the series of Handbooks on industrial subjects being published by the Popular Mechanics Company. Like Popular Mechanics Magazine, and like the other books in this series, it is written so you can understand it. The purpose of Popular Mechanics Handbooks is to supply a growing demand for high-class, up-to-date and accurate text-books, suitable for home study as well as for class use, on all mechanical subjects. The textand illustrations, in each instance, have been prepared expressly for this series by well known experts, and revised by the editor of Popular Mechanics.

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