Published on The Royal Astronomical Society of Canada (http://www.rasc.ca)

Home > Figure 4

Figure 4

Posted in
Figure 4

Glass blanks for the hemispherical shells seen in the Perkin-Elmer shops after preliminary rough grinding.

(c) Royal Astronomical Society of Canada - All Rights Reserved
Source URL (retrieved on 2013/06/19 - 18:20): http://www.rasc.ca/content/figure-4

Links:
[1] http://www.rasc.ca/category/image-galleries/national-archives/archives-1950s-jrasc-0