1 March 1777
Knox, Henry, 1750-1806
Autograph manuscript
Title: Construction of a carriage for cannon which have their trunnions broken off [incomplete]
Drawing of a special carriage for a cannon, with the comment "A carriage for a Cannon if the trunnions be broken off. Many Cannon are mounted upon this construction at Boston." Trunnions are the knobs on both sides of a cannon that form the axis on which it pivots and hold it in place. Title from docket. The lower portion of the document may be missing.
GLC02437.00541