Mills and canals: canal locks, undated
by Thomas Jefferson

Identification numbers: N484; K169aa
53.5 cm x 70.5 cm (21-1/16" x 27-3/4")



Page N484
page image
large image mode
[DESCRIPTION: Plans and cross-sections of locks for navigational canal. Scale: approx. 10'=1".]

[Figure -- see page image]