• • 
I 
867 
38 Dikitirio (Konàki), 39 "St. Demetrius" 
Hospital (Dimotiko), 40 Central (Kentriko) 
Hospital, 41 Frankish church, 42 Bezesteni, 
43 Sydrivani. 
3 CONCLUSIONS 
The first stage of the study presented in 
paper was done based on airphotographs and 
orthophotographs of relatively small scale. 
In this way aspects of more general super 
vision of monuments in their wide urban area 
are served, significant for general urban 
considerations. The acquisition of more 
detailed information about the partly ele 
ments of the monuments is not of course an 
ticipated and pursued at this stage. Besi 
des for this reason we did not attempt any 
drawing but simple location was enough. 
The stereoscopic recognition of monuments, 
as it is possible from the scale of airpho 
tographs, was satisfactory while their ap 
pearance at orthophotograph in some cases 
includes obscurities because of the limita 
tions of the scale, of tonal alternations 
etc. 
The city of Thessaloniki includes a great 
amount of most remarkable monuments of dif 
ferent times, different form, size, grade 
of ruinning. The presentation of all was 
studied by stereoscope and for a great num 
ber of them the location is being done at 
the orthophotograph. The general study and 
the preservation of monuments of Thessaloni 
ki are faced with great interest, especial 
ly after the earthquake in 1978. In this di 
rection we make our effort which is conti 
nued with directions of more detailed stu 
dy based on the exploitation of photogra 
phic material with possibilities of greater 
detail and on other photogrammetric methods. 
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