TENTH CONGRESS OF THE INTERNATIONAL SOCIETY 
OF PHOTOGRAMMETRY 
LISBON 1964 
PAPER PRESENTED TO COMMISSION III 
THE USE OF HORIZON CAMERA, DOPPLER NAVIGATOR, 
AND STATOSCOPE 
IN AERIAL TRIANGULATION 
By 
Dr. J. M. Zarzycki 
Chief Engineer 
CANADIAN AERO 
SERVICE LIMITED 
AN AFFILIATE OF LITTON SYSTEMS CANADA 
HUNT CLUB ROAD - P.O. BOX 468, R.R. 5 - OTTAWA, ONTARIO