Pressure test.—At what pressure should a new boiler be tested? [II. 456].

Boiler examination.—State what you would consider a proper examination, inside and out, of a marine boiler that had been in sufficient service to require examining. [II. 458].


APPENDIX—PART II.

Dictionary of Workshop Terms.

A

Addendum. That part of a gear wheel tooth that extends beyond or outwards from the pitch line.

Addendum-circle. The circle representing the full or greatest circumference of a gear wheel.

Adjustable reamer. A reamer whose teeth may be adjusted to the required diameter.