Share this credible answer with others. Simply paste this code into your blog or Web page:
His greatest interest was the construction of specula of large size for reflecting telescopes; he overcame defects caused by warping and cracking of surfaces in the cooling process and counteracted to a considerable degree other defects.
|
Answer verified with
|
HighBeam gives you access to newspaper, magazine, and trade journal articles plus press releases, facts, information, and biographies from thousands of sources.