double return stair, side flights
A stair having one flight from the main floor to an intermediate landing and two side flights from that landing to the floor […]
A stair having one flight from the main floor to an intermediate landing and two side flights from that landing to the floor […]
1. A device combining a spring for closing and a compression chamber into which liquid or air escapes slowly, thus providing a means
A short bar of iron with its ends bent at right angles and pointed so as to hold together the two pieces