REPORT OF COMMISSION II: PLOTTING, THEORY AND INSTRUMENTS 
JAPAN 
Organizations 
GOVERNMENT AGENCIES 
1. Geographical Survey Institute—National 
geographical survey 
2. Hydrographical Survey, Maritime Safety 
Agency—National hydrographical survey 
3. Geological Survey—National geological 
survey 
4. Forestry Service of Japan—National for 
estry survey 
commercial agencies—Photogram metric 
and ground surveying companies: 
1. Kokusai Aerial Surveys Co. 
2. Asia Aerial Surveys Co. 
3. Pacific Aerial Surveys Co. 
4. Toyo Aerial Surveys Co. 
5. Nippon Sogo Consultant Co. 
6. Taiyo Koku Co. 
7. Higashi Nippon Koku Co. 
8. Nito Koku Co. 
9. Koku Shashin Sokuryojo 
10. Nippon Kogyo Co. 
11. Kyodo Sokuryo Co. 
12. Oba Sokuryo Co. 
MANUFACTURERS 
1. Sokkisha Co.—Stereopricking Device 
KRF, Photocomparator ARC. 
2. Nippon Kogaku Co.—Multiplex. 
UNIVERSITIES 
Institute of Industrial Science, Tokyo Uni 
versity—Application of aerial and terres 
trial photogrammetry 
Analog (Classical) Instruments 
Employed 
1st Order Plotter: Total 21—11 Wild A7, 1 
Nistri Beta 2, 1 Zeiss C5, 8 Zeiss C8. 
2nd A-Order Plotter: Total 32—30 Wild A8 
1 Gallileo Simplex, 1 Zeiss Stereometro- 
graph. 
2nd B-Order Plotter: Total 88—60 Kelsh 
Plotter, 7 Belfort Plotter, 6 Nistri Plotter, 
15 Kokusai Plotter, Many Multiplexes. 
3rd Order Plotter: Total 49—44 Zeiss Stereo 
top, 2 Gallileo Stereomicrometer, 3 Kura- 
mochigraph. 
Automatic Photogrammetric Instru 
ments Employed 
orthophotoscope type system: The system 
is an anaglyphical stereoscopic type ortho 
photoscope developed by Geographical 
Survey Institute. 
AUTOMATIC AERIAL TRIANGULATION EQUIP 
MENT: This is an electrical device, newly de 
veloped by Geographical Survey Institute 
for aerial block adjustment. 
automatic readout system: This is a sys 
tem developed by Kokusai Aerial Surveys 
Co. for highway engineering. 
Analytical Photogrammetric 
Instruments Employed 
linear comparators—Mann Comparator: 
Kokusai Aerial Surveys Co. 
coordinate recorders added to normal in 
struments—Wild EK3: Institute of Indus 
trial Science Wild A7. 
Photocomparator ARC: Asia Aerial Sur 
veys Co. 
Aerial Photography and Auxiliary 
Equipment Employed 
photography: Base used, Film; Altitude 
500-4,500 m. RMK 15/23 Pleogon. RMK 
15/23 Pleogon A; RMK 21/18 Topar; 
RC 5, 15 cm. Aviogon 23X23 cm. and 
Infragon (Asia Aerial Surveys Co.); RC8, 
21 cm. Aviotar 18X18 cm. 
COMMENTS ON PRESENT AND FUTURE USE: 
Infrared: present use (some companies); 
Radar: future use; Color: present use (some 
companies) 
auxiliary data utilized: Statoscope—Zeiss 
Statoscope S2 (Kokusai Aerial Surveys 
Co.) 
List of New Instruments Utilized 
Since 1960 
analog computer for block adjustment— 
Geographical Survey Institute. 
orthophotoscope for photomap—Geo 
graphical Survey Institute. 
photocomparator arc for analytical tri 
angulation—Asia Aerial Surveys Co. 
stereopricking device krp for analytical 
triangulation—Asia Aerial Surveys Co. 
profile readout attached to Kokusai 
Plotter for Highway design Kokusai Aerial 
Surveys Co. 
List of New Techniques Incorporated 
Since 1960 
analytical Aerial Triangulation (some com 
panies). 
photomap Making (some companies). 
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