High Road to China, 1977

Below, some stills from the motion picture included in the book:

Jodrell Bank radio telescope, 1961

Levels

Clifton Fadiman (General Editor).  The Treasury of the Encyclopaedia Britannica.  Viking Penguin, 1992

Vanished tool makers: Henry screwdriver bit

An old flathead screwdriver bit for a brace, marked "Henry."  Likely British, but who knows?

Coulter

This was the part of the plough that makes the vertical cut in the soil.  See “A” in the the diagram below.  It originated with the ancient Romans.