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In use, the goniometer is placed directly opposite to a window, with its axis parallel to the horizontal window-bars, and as far distant as possible.

He had dreamt vaguely, unsubstantially, the while he had arranged his pressures and temperatures and infinitesimal ingredients, and worked with goniometer and trial models and the new calculating machine he had contrived for his research.

We bought a goniometer, and Dr. Wollaston, who often dined with us, taught Somerville and me how to use it, by measuring the angles of many of our crystals during the evening.

I'll bet you a small farm against a plugged nickel that right now he's working his goniometer so hard that it's pivots are getting hot.

Wollaston in 1812, with the aid of his newly invented reflective goniometer, to be 74� 55′.