To Soften Steel.

Progress, Volume II, Issue 5, 1 March 1907, Page 177

To Soften Steel.

Cover it over with tallow, heat to a cherry-ied in a charcoal fire, and let it cool of itself

Strong sal soda water or soapy water is much better than clean water to use where water cuts are being taken, either on lathe or planer.

Put a piece of rosin the size of a walnut into your Babbit ; stir thoroughly, then skim. It makes poor Babbit run better, and improves it. Babbit heated just hot enough to light a pine stick, will run in places with the rosin in, where without it, it would not. It is also claimed that rosin will prevent blowing when pouring in damp boxes.