140 
EXHIBITION GUIDE 
ADVERTISERS’ ANNOUNCEMENTS 4 
LIST OF ADVERTISERS 
PAGE 
Barr & Stroud Ltd. . . . 71 
B. K.S. Air Survey Ltd. . . 62 
Canadian Applied Research Ltd. 102 
C. F. Casella & Co. Ltd. . . 92 
Cooke, Troughton & Simms Ltd. 69, 73 
Decca Navigator Co. Ltd. . 87 
Dennert & Pape Aristo-Werke . 83 
D. E.P. Ltd. ... 98 
E. M.I. Electronics Ltd. . . 117 
Fairchild Aerial Surveys Inc. . 63 
Fairey Air Surveys Ltd. . . 64, 95 
Finnmap Engineering Company 65 
Gevaert Photo-Producten N.V. 94, 103 
Grant Production Co. Ltd. . 96 
Haag-Streit A. G. . . . 86 
Hilger & Watts Ltd. . . 76, 77 
Hunting Group of Survey Com 
panies .... 66 
Mark Hurd Aerial Surveys Inc. . 68 
Ilford Ltd 101 
Johnsons of Hendon Ltd. . . 100 
Kelsh Instrument Co. Inc. . . 88, 89 
Kern & Co. Ltd. . . . 74,75 
K.L.M. Aerocarto N.V. . . 68 
Kodak Ltd 99 
PAGE 
Meridian Airmaps Ltd. . . 70 
N.V. Optische Industrie “De 
Oude Delft” ... 93 
Officine Galileo . 114,115 
Ottico Meccanica Italiana e Rile 
vamenti Aerofotogrammet 
rici S.p.A. . . 106,107 
W. Ottway & Co. Ltd. . . 97 
Sir Isaac Pitman and Sons Ltd. 116 
Rank Cintel Ltd. ... 72 
Société d’Optique et de Méca 
nique de Haute Précision 
(S.O.M.) .... 104 
Spartan Air Services Ltd. . . 69 
Svenska AB Gasaccumulator . 105 
Widerôes’s Surveys Co. . . 67 
Wild Heerbrugg Ltd. 79,80,81,82 
Williamson Manufacturing Co. 
Ltd 78,84 
Wray (Optical Works) Ltd. . 97 
Carl Zeiss .... 85 
Zeiss Aerotopograph G.m.b.H. 90, 91 
VEB Carl Zeiss Jena 108,109, 110, 111, 
112,113 
The advertisements originally appearing in the Guide 
are not here reproduced. 
VOCABULARY 
The three-language vocabulary of technical terms is included by courtesy 
of the Fédération International de Géodésie. 
The Vocabulary is omitted from this reproduction of the Guide.