Bossing up: Place the disc while cold on the hollow wood block and drive down from the under side with the hammer, bending in the inside. This makes the outside slightly oval, so that the bearing will be on the outer surface. The depth of this concave should not exceed 14 in. A few designs are here given.


THE COUNTRY LIFE PRESS, GARDEN CITY, N. Y.


Transcriber's Notes:

Spelling appears to be evolving between US/UK e.g. ACKNOWLEDGMENT, galvanized, practice, calipers, wagon, mold. Both color and colour are used in the text.

Obvious punctuation errors repaired.
Obvious typos repaired:

The text contains some inaccuracies which have been left but are noted here: