Volume 3, Section 7
Illuminated Sight Mark 7 Sheet 1
Illuminated Sight Mark 7 Mod 1 Sheet 2
Illuminated Sight Mark 10 Sheet 15
Illuminated Sight Mark 11 Sheet 16
Illuminated Sight Mark 12 Sheet 17
Illuminated Sight Mark 13 Sheet 18
These sheets are missing from the National Archives copy of OD 1200, and this is why I am looking elsewhere.