Hale Telescope mirror.. It was completed in 1948 and is still in active use. The Hale Telescope represented the technological limit in building large optical telescopes for over 30 years. It was the largest telescope in the world until the Russian BTA-6 was built in 1976, and the second largest until the construction of the Keck Observatory Keck 1 in 1993. Hale supervised the building of the telescopes at the Mount Wilson Observatory with grants from the Carnegie Institution of Washington: the telescope in 1908 and the telescope in 1917. These telescopes were very successful, leading to the rapid advance in understanding
The Porter Garden Telescope of production (sale price changed from $250 to $400) and the own art nouveau style of the sculpture in full tendency of the art deco style. Years later, in 1936, during the collaboration of Russell W. Porter in the design of the Palomar Observatory and the Hale Telescope, which was the biggest telescope of the world during 45 years, he requested the assignment of using the original patent to J&L.Mac.Co. to be able to implement the horseshoe type mount in that project, obtaining it without obstacles. The Porter Garden Telescope The Porter Garden Telescope, was an innovative ornamental telescope for