Full text: National reports (Part 2)

  
20 
cartographic uses of Skylab photography was also carried out for NASA and a 
contoured topographic map was produced of an area in Nepal (105, 107). Research 
and development in the computer field related to aero triangulation has resulted 
in a block adjustment programme to accommodate 4500 models and with modifica- 
tion to eliminate virtually all restrictions as to camera attitudes, flight pattern 
and control disposition. The company is engaged in a major development in 
online digital mapping and automated draughting. 
ILFORD LIMITED 
With the discontinuance of its range of glass plates and the withdrawal of its 
aerial film products, the company's remaining interest in photogrammetry will 
in future be through its newly developed range of polythene laminated base bromide 
papers which were introduced in 1974 as part of the new Ilfospeed system. 
INSTITUTE OF OCEANOGRAPHIC SCIENCES 
A photogrammetric system has been d eveloped employing the Hasselblad 500 
camera with corrector for underwater photogrammetry to measure seabed 
micro-relief. 
KODAK LIMITED 
Kodak Limited continues to market a range of photographic films, papers, 
chemicals and processing apparatus for use in the survey and photogrammetric 
fields. 
UNIVERSITY OF LONDON: 
IMPERIAL COLLEGE OF SCIENCE AND TECHNOLOGY, Department of 
Civil Engineering 
A system for adjusting simultaneously land survey data and photogrammetric 
observations was developed and optimum field control for photogrammetric blocks 
was investigated. A technique for counting pedestrians by time lapse photography 
from a moving vehicle depends on a camera pointed towards the zenith recording 
the image in a convex mirror mounted above it. A program has been developed 
for determining ground measurements from the photographs. 
UNIVERSITY OF LONDON: 
UNIVERSITY COLLEGE LONDON, Department of Anatomy & Embryology 
The Department uses photogrammetry in scanning electron microscopy of 
surfaces of microscopic biological objects (19-23, 81, 82), and has collaborated 
with Cartographic Engineering Ltd in the design of instruments for stereoplotting 
from pairs of scanning electron micrographs (24, 25). The geometrical problem 
has been simplified by ensuring that both members of the pair are recorded at 
the same magnification and at a standard tilt angle difference. 
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