Rare Books
Description of a forty-feet reflecting telescope
Image not available
You might also be interested in
Image not available
Description of a lamp-micrometer and the method of using it
Rare Books
487000:0119:06a
Image not available
On the diameter and magnitude of the Georgium Sidus; : with a description of the dark and lucid disk and periphery micrometers
Rare Books
487000:0119:07
Image not available
Astronomical observations and experiments, selected for the purpose of ascertaining the relative distances of clusters of stars, and of investigating how far the power of our telescopes may be expected to reach into space, when directed to ambiguous celestial objects
Rare Books
487000:0119:66
Image not available
Investigation of the powers of the prismatic colours to heat and illuminate objects; : with remarks, that prove the different refrangibility of radiant heat. To which is added, an inquiry into the method of viewing the sun advantageously, with telescopes of large apertures and high magnifying powers
Rare Books
487000:0119:40