>Project Looking Glass?

dugging around cia reading room, below are some things that activated the old almonds
>https://www.cia.gov/library/readingroom/search/site/Project%20AND%20Looking%20AND%20Glass
(in page 1 of results)
>TRIP REPORT- CORNING GLASS WORKS
>https://www.cia.gov/library/readingroom/document/cia-rdp79b00873a001900010016-7
>PROJECT SUN STREAK. PROJECT 6037. VIEWER IDENTIFIER: 079. ERV (SOLO)
>https://www.cia.gov/library/readingroom/document/cia-rdp96-00789r001601990001-5
>PROJECT SUN STREAK. PROJECT 732. VIEWER IDENTIFIER: 025. WRV
>https://www.cia.gov/library/readingroom/document/cia-rdp96-00789r001401150001-9
>IMPROVED SCREEN FOR REAR PROJECTION VIEWERS
>https://www.cia.gov/library/readingroom/document/cia-rdp79b00873a002000010070-5
>IMPROVED SCREEN FOR REAR PROJECTION VIEWERS
>https://www.cia.gov/library/readingroom/document/cia-rdp79b00873a002000010010-1
>IN MY LAST LETTER TO YOU, I SUGGESTED THAT I WOULD TRY TO REVIEW THE STATE OF AFFAIRS ON THE PECO PORTION OF OUR PROJECT.
>https://www.cia.gov/library/readingroom/document/cia-rdp89b00487r000300640034-6 (mentions periscopes)