Buy print-size file for commercial or other use
Builders at Work. more
The view of builders at work, taken from a fifteenth century manuscript, sufficiently explains some of the mechanical appliances then in use. (p. 174)
We see builders using a winch and pulley to raise a heavy load; another holds an axe, as if about to cut the rope on the pulley! Another uses calipers or diverders to measure or mark a block.
Get unwatermarked version
Buy print-size file for commercial or other use