(14) 
Trans-Global Company 
1480 Broadway, 
New York 18, N.Y., U.S.A. 
(Authorized representatives of Filotecnica Salmoiraghi, 
manufacturers of precision surveying, engineering and 
optical instruments). 
Wallace and Tiernan Products, Inc. 
Box 178, 
Newark, N.J., U.S.A. 
(Manufacturers of precision surveying altimeters and other 
instruments and electrical mechanisms). 
Henry Wild Surveying Instruments Supply Company, Ltd., 
Heerbrugg, Switzerland. 
(Manufacturer of optical instruments, geodetic instruments, 
aerial cameras, photogrammetric plotters, etc.) 
Williamson Manufacturing Company, Ltd., B. S 
Litchfield Gardens, F err 
Willesdeen Green, P- ^ 
London, N.W. 10. L° u 
Also Williamson Company of Canada, Ltd., R- J 
Postal Station “L”, Toronto, Canada. G. 1 
(Manufacturers of aerial cameras, accessories and M. , 
photogrammetric mapping instruments). P ao 
Alfi 
Zeiss-Aerotopograph, pj 
Ismaninger Str. 57, Aki 
Munich, 27, U.S. Zone of Germany. Svei 
(Manufacturer of the Stereoplantigraph and other Beri 
photogrammetric instruments). Per- 
Ade 
Phy 
R. I 
Mr. 
used in 
people, 
system. 
Spanish 
Prei 
received 
Photogr 
Photogr 
The app 
gramme 
particip; 
Th< 
necessit) 
ME! 
Present: 
E. S 
W. 
L. E 
Geo 
T >