Title
Duoscope
Creator
Dalhousie University
Identifier
1988.1213.001
Function
USED TO 'SUPERIMPOSE' AN AERIAL PHOTO ON TO A MAP IN SUCH A MANNER THAT BOTH HAVE THE SAME HORIZONTAL SCALE. DETAILS FROM THE PHOTO CAN BE TRACED ON TO THE MAP QUICKLY & EASILY.
Position: 381 (5 views)