Assertion: mirror's surface | /r/CreatedBy | hand or machine work
Facets:
value: given a properly shaped polisher
type: OTHER
Source sentences:
text: I have been led to this conclusion: that, given a properly shaped polisher, surfaces of the highest excellence may be produced; either by hand or machine work, and that the simple rotary and reciprocal motions are all that are necessary to be given to the polishing tool.