Word: lensed
(lookup in dictionary)
(lookup stats)
Dates: all
Sort By: most recent first
(reverse)
A ten-inch photographic telescope is being used for the study of variable stars in the southern Milky Way, and in the Magellanic Clouds. A special telescope with wide-angle lens carries on the photographic patrol of the whole southern sky--an investigation long maintained by the University in order...
The observatory will be erected on Mt. Saleve, on French territory, a few miles from Geneva. The total cost is estimated at $6,000,000. The diameter of the lens will be 105 inches; at Mt. Wilson it is 101 inches.
"For this purpose a ten-inch visual telescope is mounted on the same tube with the 26-inch camera lens. Through this the astronomer watches a faint star and counteracts every apparent displacement of the star from a fixed point by operating delicate motions up and down and right and...
Today (Sept. 10, 1923), if you happen to live anywhere in the U. S., Canada, Mexico, Central America, the West Indies, or northwestern South America, you can see, w. p. (weather permitting), at least part of a total eclipse of the sun. If you are fortunate enough to be within...
The device is in reality a small microscope, about the size of a pocket flashlight, with a strong lens at one end and a powerful light at the other. A small incision is made directly over the heart, and the cardioscope inserted. It enables the surgeon to see the heart...