Browse Items (698 total)

Soft-ground etching

Schematic diagram of an overshot water wheel

A seed spreader with rotary action.

27. / 1. Pileus convex then expanding- / yellowish covered with reddish cottony / scales, which at first covers (this cottony / layer [sic]) the entire plant- / 2. Tubes, pale yellow becoming darker with / age. / 3. Stem is solid & covered with a…

Watercolor drawing on paper of four club-shaped fungi in shades of pinkish-mauve and green, accompanied to right by text, in pencil: the fungi are club-shaped with dendrite like threads growing out of base which anchor them to the ground; the center…

Rain King sprinklers were part of the Sunbeam line of the Chicago Flexible Shaft Co. The design was officially patented in 1925, but it had been in production as early as 1922. An adjustable hand wheel offered customers the option to lock in a…