en the The experiment work Monti di Revóira. 
errors 
is and Table 1:11. Survey of the errors for every model of strip IL, vertical photography on film. 
ces or SN TI M and standard deviati Hel 
| ABIT : 1e means VM and standard deviations : eimert N 
rs ho- Porti- Numb, S; and S, in millimeter Lin transform. Numb. 
: cipa- of Li-B of 
rotary tor, |check- X Y Zz error | cm pass- 
model | points = m = ; - points 
|wi sls MS |S FM{S | S M & | $4. | Max. 
ttle by 2A 70 (+ 8 92 55 |+ 74 134 72 373 185 164 |+ 49 201 20 44 11 
Iso bv 2B 58 25 104 73 |+178 142 65 |—249 153 154 |+ 26 118 21 42 10 
RRC 4 A 80 {+ 70 103 82 |+228 115 90 |+214 295 186 |+ 50 190 10 20 11 
ahs 4B 67 |+ 3 97 62 |+130 135 68 |— 43 168 167 |+ 22 115 18 41 10 
euracs 6A| 74 |—it0 | 189) 75|-+162[ 135 | 65(-246| 2251 116/+103| 2171 271 76| 11 
6 B 62 |+ 22 72 61 |+ 84 97 80 |— 3 191 150 |— 99 153 10 20 10 
7A 69 |+ 13 74 68 |+177 91 82 |—129 335 209 |+ 55 133 9 20 11 
or the 7B 60 |— 8 90 10 |4-157 117 71 166 243 185 |+ 33 104 9 19 10 
could 10 A 71 |+ 86 89 56 [+151 93 77 (+107 130 108 |— 18 173 27 12 11 
S. 10 B 62 12 16 64 |+ 61 75 59 |+ 31 145 130 |+ 74 120 14 27 9 
14 A 79 |+ 36 79 68 |+112 75 61 |—171 190 107 |+ 56 161 8 15 11 
o iden- 14 B 66 |+ 36 76 62 |+140 92 64 152 134 118 2511 113 16 35 10 
ved in 16 A 73 [+ 65 102 61 (+220 107 74 12 228 118 |+ 27 179 12 22 11 
16 B 63 [+ 20 71 64 |+112 100 15 |+ T5 197 180 |+ 53 150 11 19 10 
18 À 76 |+ 10 117 60 |4-200 91 60 |+ 37 157 134 |+ 75 119 13 26 11 
18 B 64 - 21 79 58 |+ 21 104 67 + 78 127 13 25 10 
19 A 78 |+ 37 97 54 |+ 92 114 66 |+ 95 169 126 |4- 32 175 8 17 11 
19 B 65 |+ 46 84 65 |4-157 118 74 |+ 49 160 147 13 139 10 22 10 
21 A 73 |+ 35 109 72 |+ 27 122 76 224 201 169 |+132 174 16 37 11 
21 B 63 |+ 29 112 57 |[+ 3 131 80 120 228 184 |+ 2 125 21 57 10 
22 À 71 |4- 36 120 60 |+312 121 68 24 193 148 |+ 45 166 19 37 11 
22 B 60 84 76 56 112 111 76 |+125 276 203 |+109 258 17 39 9 
E 778 A 814|4- 21 111 65 |+159 110 72 - 62 206 147 |+ 55 T. 17 41 L\+B 
mb. ] B xy 690 1 861 63|+ 86) 113 71 44 | 202 | 163 (+ 25 5 284/| Lip 
of | z 626 
ass- | A+B xyl 5044+ 12 | 100 64 | +125 | 111 72 54 | 204 | 154 |+ 40 | 160 16 38 | J Lan 
nnts | 71 440] \ LA—B 
| zl 4 10] 
| | The weighted standard deviations of M. 
A 68 177 | 181 67 LA+B 
B 35 118 | 122 59 LA—B 
: = : : LA+B 
| A Bi m | 150 | 154 | ) | La-H 
| 
| 
| 
| 
| 
FI 
\—B 
+B 
+B 
—B 
; 13 
—B 
19