Essays, political, economical, and philosophical
Collected essays by Benjamin Thompson, Count Rumford, published in London in 1796 for readers interested in heating, cookery, and poor relief, this copy from John Adams's library. The plates are small engraved sections through fireplaces and flues, hatched brickwork and rubble fill against blank paper, lettered a-e and numbered Fig. 5 to Fig. 13, with an inch-and-foot scale bar.
