What is it? Answers 153

Friday, January 19, 2007

878. Gunner's quadrant for a Howitzer.

879. A plate from a Napco air brake:

880. Cork cutters or cork borers, used by pharmacists for cutting corks for bottle stoppers:

881. Probably a dental press, used for compressing a mould.

882. Signal light for use on the railroad.

883. Trough compass, used with surveyor's plane table.

Last week's set is seen below, click here to view the entire post:

More discussion and comments on these photos can be found at the newsgroup rec.puzzles.