WHO SAID IT: A QUIZ ON PRESIDENTIAL WIT AND WISDOM
Origin of object glass
Words nearby object glass
Example sentences from the Web for object glass
When he got the mystery in focus he suddenly stopped and rubbed the object-glass with his handkerchief.Under the Redwoods|Bret Harte
In the Galilean Telescope a small concave eye-glass, ab (fig. 2), is placed between the object-glass and the image.
He had an object-glass of 15 feet (French) focus, and this he mounted in a tube formed of “four pine planks.”Astronomical Curiosities|J. Ellard Gore
Following these indications, it will be found easy to direct the tube, so that the object-glass shall appear full of light.
It contains a telescope made by Fitz, whose focal length is seventeen feet, and its object-glass is twelve and a half inches.The College, the Market, and the Court|Caroline H. Dall