87 
adjacent 
heights: point 
79 
158 
ds 2 and 1 
point 
155 
[T-points) 
point 
183 
3ween the 
point 
197 
obtained 
point 
77 
) which had largely differing values in the two strips in which 
) they were observed. 
- which had been copied wrongly on the final list. By mistake 
the height of a neighbouring point was recorded. 
- which had an error of 100 m in the recording. 
- which had a similar mistake as point 155. 
- which was directly influenced by the error in point 79 (above). 
+5m- 
+ 5m- 
*-5m-r 
O ® 
2 T 2 6 3 ;£ 
Fig. 16 
'planimetry: a) points 24, 32, 39, 44, 103, 105, 120, 126, 167, 239, 252, 254, 261, 
265, 266 and 269, which showed differences of more than 20 meters 
and had been coded with No. 3 (i. e. «poor identification»). 
b) points 41, 53, 107, 132, 168, 170, 184 and 298, which had differences 
nimetric larger than 10 meters (but smaller than 20 meters) and had been 
coded with No. 3.