signal mirror:
Portuguese Heliograph Type 938C Right Side Isometric 1
signal mirror:
Portuguese Heliograph Type 938 C Left Side isometric 2
signal mirror:
Portuguese Heliograph Type 938 C Top 3
signal mirror:
Portuguese Heliograph Type 938 C Rear 4
signal mirror:
Portuguese Heliograph Type 938 C Front 5
signal mirror:
Portuguese Heliograph Left side 6
signal mirror:
Portuguese Heliograph Base 7