1. as they would appear without shadows. Shell hole mound Haystack A.A. gun Emplact with concrete center pillar Bushy tree
Transparency
1. as they would appear without shadows. Shell hole mound Haystack A.A. gun Emplact with concrete center pillar Bushy tree
From "Dr. Mees' Aero Lecture (World War I)"
1917
transparency, gelatin on glass
Overall: 3 1/4 × 4 in. (8.3 × 10.2 cm)
Gift of C.E. Kenneth Mees
