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Transit telescope
Metal, glass

The principle transit circle was a 3-inch Combined Transit and Zenith telescope designed by Warner & Swasey especially for Illinois. The objective, by John Brashear, was held in place by a special cell that compensated for the…

Troughton & Simms universal transit telescope
Wood, metal, glass

Stored in 2 large wooden boxes (22 ¼ x 12 ½ x 14 ¼ and 22 x 22 ½ x 17 inches). Transit consists of base with three leveling screws, telescope, striding level, 3 eyepieces, several lens caps for the eye pieces and an objective…
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