Madam C. J. Walker
She manufactured and sold hair preparations and built the company that carried her name.
Coming soon
Nothing on this page is for sale. There is no cart and no price. No card is taken for a product. See an open time, request it, and pay the deposit and any tip on the request page. Sign-in is not required for that.
This selection belongs to LUSTRA GROUP. September’s Locs is one studio on it. The shelves will open on your client profile. Changes and refunds stay there. This page names the builders and shows art that is already in the public domain, so there is something to look at while the shelves are empty.
Six works. Each one is public domain in the United States. The catalog will keep adding to this wall.
These are scientists, engineers, and makers from the public record. A shelf is not open under any of these names yet.
She manufactured and sold hair preparations and built the company that carried her name.
Multiple-effect vacuum evaporator for refining sugar. U.S. Patent 3,237, granted in 1843.
A carbon filament that could be manufactured and would hold.
A machine that lasted shoes. U.S. Patent 274,207, granted in 1883.
An automatic oil cup so engines could be lubricated while they ran.
An induction telegraph for trains that were moving.
Portable refrigeration so food and medicine could travel cold.
Patents on the personal computer, including the bus other cards plug into.
Provident Hospital, and an early successful open-heart operation in 1893.
The Laserphaco probe, a device for removing cataracts.
Medicinal compounds synthesized from plant sterols, including cortisone.
Large-scale blood plasma storage and the blood-bank system built on it.
Crop science and new uses for Southern crops.
A dry-scouring process. He received a U.S. patent in 1821.
A folding cabinet bed for small rooms. U.S. patent granted in 1885.
A gas furnace with zones that could be regulated apart from one another. Patent granted in 1919.
Electronic control devices, including a control unit used in the pacemaker.
The far-ultraviolet camera that flew on Apollo 16.
Thermoelectric energy research, funded by an invention of his own.
A home security system with a camera. U.S. Patent 3,482,037, granted in 1969.
A toggle harpoon head used in the whale fishery. He did not patent it.
Navigator of the 1909 Arctic expedition.
Recorded as the first permanent non-Indigenous settler of what became Chicago.
The roll is not closed. Supplies and product offerings are still coming soon.