This ad for Revere's Foundry appeared in the Columbian Centinel on February 21, 1801.
It contains a woodcut of a bell and cannon and reads as follows:

PAUL REVERE & SONS,
At their BELL and CANNON FOUNDRY,
At the North-part of Boston, N. E.

Cast and finish BELLS and brass CANNON, of any size
or weight, equal to any imported.
They Manufacture, and keep ready for sale, BOLTS,
SPIKES, NAILS, &c &c -- drawn from malleable copper,
and cold rolled, equal to British manufacture.
All kinds of COMPOSITION and BRASS WORK,
cast at the shortest notice.
BRACES and PINTLES, SHEATHING NAILS,
SHEVES, Windlass and Mill BOXES, COGGS, &c &c
N.B. Cash given for old Copper and Brass.     jan 14