= 54 = 
Photogrammetric Plotting Instruments 
   
  
  
4.22 
A AA me 
— — 
16 hours 
  
2 7 hours 
8-16 
-e hours 
16 hours 
8 hours 
16 hours 
8 hours 
  
7,5 hour 
With nume- 
rical out- 
put 15 hour 
  
16 hours 
y | Sometimes 
24 
A A EAE 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
Country oe) 45.11a 4.11b 4.12a 4.12b 4.12c 4 013 4.2). 4.22 
No. 
Ee TES Wm d 
8 Yes Every 6 Yes No No : 12 um 1 8 hours 
months 
9 Yes When instal- Multiplex:600 C Varies 8-16 
led Yes No No factor with hours 
Kelsh:1200 C Work- 
factor load 
10 Yes Every 3 Yes No No e 4,6cm) 1 8 hours 
months 
11 Yes Irregularly |-Yes Yes No : 50 am 1 or 2 16 hours 
when 
possible 
s 
12 Yes  |Annually Yes Yes No Planimetry: 1 8 hours 
(bt least) 10,13 mm in the 
| map scale. 
Al timetry : 
E 
— 40 am 
TT 
13 Yes Annually Yes No No Manufactorer's 1 8 hours 
specifications 
14 Yes [For each sur-| No No Com- Plenimetry: 1 8 hours 
vey project pari- |1/200 Ms 
son 
with DUO UE gs 
ground Mc 
survey| (both in feet) 
15 Yes d Daily No No No No 1 8 hours 
tir 
order 
instr.) 
16 Yes Every 6 Yes No Yes [Plate holders i 7,5 hours 
elsh months flat to + 5 um. 
lotte Principal point 
+ 50 um. Con- 
centricity of 
floating mark 
+ 20 um