Building the 200 inch Palomar Telescope - 1948 Dedication* issue F*S Tuc glass and porcelain gauge face

glass and porcelain gauge face are in excellent shape

otherwise known as Universal trays and fit most european slide projectors that have linear trays

This is a performer

The back is a standard Graflok back which includes Ground Glass and a focusing hood

• Intensity adjusted using variable rheostat and On/Off Switch

Building the 200 inch Palomar Telescope - 1948 Dedication* issue F*S Tuc glass and porcelain gauge faceThis is an 8 1 2" x 11", 34 page reproduction of the June 1948 Palomar Issue of the Caltech Engineering and Science monthly dedicated to the 200 inch telescope. The Mount Palomar 200 inch telescope is among the most iconic scientific instruments in the world, and the crown jewel in the research traditions of Carnegie and Caltech. Conceived in the 1920s, the telescope has been in continuous scientific operation since 1948. Topics include Dedication of