F[ield] S[ervice] Publication: 60. Small 4to. Twenty-two pages with photographic three-way views, similar silhouettes to the text. Ex-library copy with ink stamps to the upper wrap only. Internally very clean, wraps a little soiled and with a small piece lacking from the lower corner of the upper panel, spine beginning to split head and tail. 48pp. D[irectorate of] A[ir] I[ntelligence] 6, (A.I.4.) August, 1918.
Uncommon, OCLC locates just two copies, not traced on RLIN, COPAC or BLPC.
Classified as "Confidential", the title page bears the injunction "Not to be carried in Aircraft" and a tipped-in slip draws attention to the "penalties attaching to any infraction of the Official Secrets Act."
