CONTENTS 
Chapter I 
G. Cassinis and M. Cunietti - INTRODUCTION ......... Pag. 1 
Chapter 11 
Institut Géographique National - POLYGONE D’ESSAI ........ n 9 
Chapter III 
Institut Géographique National - COUVERTURES PHOTOGRAPHIQUES . . . . » 13 
Chapter IV 
M. Cunietti - DEVELOPMENT OF THE EXPERIMENTAL WORK » 19 
Chapter V 
A) G. H. Schut - REPORT OF THE NATIONAL RESEARCH COUNCIL, OTTAWA - CANADA » 25 
B) Institut Géographique National - RAPPORT SUR LES TRAVAUX EFFECTUES PAR 
L’INSTITUT GEOGRAPHIQUE NATIONAL, PARIS - FRANCE . . . » 43 
C) A. Brandenberger - REPORT ON THE PARTICIPATION OF THE DEPARTMENT OF 
GEODETIC SCIENCE, THE OHIO STATE UNIVERSITY, COLUMBUS 10, OHIO, U.S.A. » 63 
D) H. M. Karara - REPORT ON THE PARTICIPATION OF THE DEPARTMENT OF CIVIL 
ENGINEERING, UNIVERSITY OF ILLINOIS URBANA, ILLINOIS, U.S.A. . . » 75 
E) J. Visser - REPORT ON THE PARTICIPATION OF THE INTERNATIONAL TRAINING 
CENTRE, DELFT - NEDERLAND » 81 
F) W. Brucklacher and R. Fôrstner - REPORT ON THE PARTICIPATION OF THE GERMAN 
CENTERS » 91 
Chapter VI 
M. Cunietti 
A) PRESENTATION OF THE RESULTS » 99 
B) SYNTHETIC EVALUATION OF RESULTS »161 
C) STATISTICAL ANALYSIS OF THE ANOMALOUS POINTS » 167 
D) SHORT ACCOUNT OF SOME PROBLEMS OF GENERAL CHARACTER . . . » 175