"How the sewer pipes are arranged in a house to carry off the waste and prevent sewer gas from entering…
"A small sail set under another, or between two other sails, to catch or save the wind." —Whitney,…
This illustration shows a section of a human kidney (A, Cortical substance; B, Pyramids; C, Hilum; D,…
"A conduit or canal constructed, especially in a town or city, to carry off superfluous, water, soil,…
A mechanical device used to cut paper into chad, typically either strips or fine particles.
A street sweeper is a truck specially designed to pick up smaller quantities of waste and haul it to…
The valve closet has a valve or flap at the exit of the bowl with a water-tight seal to retain a pool…
This is an early stage dumpster. The main difficulty was that the waste collectors needed to lift the…