signal mirror:
Mance Mark V Heliograph Case Shoulder Strap Context
signal mirror:
Mance Mark V Heliograph Case Strap Bottom
signal mirror:
Mance Mark V Heliograph Case Shoulder Strap Top
signal mirror:
Mance Mark V Heliograph Case Strap Side
signal mirror:
Mance Mark V Heliograph Case Strap Color Reference
signal mirror:
Photo Setup for Heliograph Case Shoulder Strap