A beam-calliper for measuring diameters is a square of steel or iron, with two branches, one of which is fixed and the other sliding.
"Ordnance Instructions for the United States Navy." by Bureau of Ordnance, USN
Then he raised his head and laid the magnifying glass and the callipers on the table.
"The Girl in the Golden Atom" by Raymond King Cummings
In less than a dozen paces from its entrance the chine opened into a wider space, again closing like a pair of callipers.
"The Lone Ranche" by Captain Mayne Reid
They were frightened of the nickel-plated calliper I used for the purpose.
"Across Unknown South America" by Arnold Henry Savage Landor
The process is complete when the glass is perfectly round and of the required diameter as tested by callipers.
"On Laboratory Arts" by Richard Threlfall
From the head protruded two great horny jaws, that bore some resemblance to a pair of calliper compasses.
"The Forest Exiles" by Mayne Reid
First, then, the little creature going backwards, and working with its callipers, traced a circle on the surface of the sand.
"Popular Adventure Tales" by Mayne Reid
The price of a pair of callipers need not exceed 1s.
"Practical Taxidermy" by Montagu Browne
Mrs. Calliper would not let any of the children go, but she put down Dot to carry the baby.
"Harper's Young People, July 20, 1880" by Various
Callipers and compass, rulers.
"Pottery, for Artists Craftsmen & Teachers" by George J. Cox
S'elp me, there's a set o' callipers worth fifteen bob in that bag ... 'e ain't gawn ...?
"Tales of Mean Streets" by Arthur Morrison
The testing of the balls for true spherical shape was, of course, easy, and was done by means of callipers.
"The Soul of Golf" by Percy Adolphus Vaile