signal mirror:
Aiming Aid
signal mirror:
Aimer in Field_P1140741
signal mirror:
a_Crosshairs_P1060665
signal mirror:
Aiming_Aid_from_Front
signal mirror:
Aiming_Aid_Rear_P1140761
signal mirror:
Aiming_Aid_Side_P1140756
signal mirror:
Aiming_Aid_Front_P1140753
signal mirror:
Inclinometer / Tilt Meter for Heliograph Aimer
signal mirror:
Crosshairs Heliograph Aimer in Riverside
signal mirror:
Corner Cube at 1.2 miles
signal mirror:
Operation On-Target Banner, Southern California
signal mirror:
Heliotrope Components Closeup
signal mirror:
Heliotrope Instrument Medium View