IV 
MEETING ON MONDAY, 12TH SEPTEMBER 
Invited paper: 
F. L. Corten, Survey Navigation and Determination of Camera Orien- 
tation Elements 
Author's presentation of the paper 
Discussion 
Related presented papers: 
Contribution de l'Institut Géographique National au Développement 
des Matériels et Méthodes de Photographie Aérienne 
T. Trott, À Precision Vertical Reference System for Photogrammetric 
en : 
K. G. Lofstrom, Horizon Controlled Air Photogr aphy 
MEETING ON WEDNESDAY, [4TH SEPTEMBER 
Communication of Prof Konshin: The Element of Absolute Orientation 
during Flight 
Invited paper: 
J. Cruset, Progres accomplis dans les techniques photographiques 
Author’s presentation of the paper 
Discussion 
Related presented papers: 
F. Ackerl, Infrarot-Photogrammetrie 
F. L. Corten, Image Quality i in Air Photography. Degradation and Con- 
servation of Details in Positive Copying 
MEETING ON THURSDAY, 15TH SEPTEMBER 
Invited paper: 
P. L. Baetslé, Sur quelques questions optique phynelotions en rap- 
port avec la photogrammétrie : . : 
Author’s presentation of the paper 
Discussion 
Related presented papers: 
L. Hurault, L'examen stéréoscopique des photographies aériennes 
reconstitution spatiale et déformations : 
P. O. Fagerholm, Testing of Stereo Vision Quality 
G. G. Lorenz, Measurements of the Effect of Unbalanced illumination 
upon Elevation Readings with a Moving Floating Mark in a Stereo- 
plotter Model 
PRESENTED PAPER NOT RELATED TO THE DISCUSSIONS: 
H. K. Meier, Stereomesskammer, Terrestrische Messkammer und Ter- 
ragraph, eine neue Gerätekombination für den terrestrischen Normalfall 
59 
90 
92 
seq 98 
16 pp 
18 pp 
2 pp 
99 
seq 100 
10 pp 
101 
102 
seq 106 
12 pp 
2 pp 
14 pp 
107 
107 
seq 114 
25 pp 
7 pp 
4 pp 
11 pp 
MEETIN 
Genera 
Invitec 
U. 
tri 
Discuss 
Relate 
G 
J. 
tir 
MEETI} 
Introdi 
Invite: 
R 
F 
Discus: 
Relate 
SN SN 
MEETI 
Introd 
Invite 
A 
a 
Autho 
Discus 
Relate 
F 
Invite 
} 
Authc 
Discu: