The part DEVELOPMENT OF PHOTOGRAMMETRIC METHODS AND INSTRUMENTS will be come 
piled from the thematic national reports, edited and subdivided accordingly 
to UDC; each number of UDC will comprise the information of various count - 
ries in the alphabetical order. 
For the rsasons of using this work as CARD-REGISTER and so enabling its ef- 
fective use and completization it is necessary to print this part in the 
form of card-register-type papers. Each number of UDC has to be printed in 
separate card-register-type paper for the publication as a book or as a 
Card-register. 
3. WORTH AND IMPORTANCE OF THE WORK 
The collected historical national reports in their manuscript form represent 
a valuable basic material for the possible later synthetic preparation of a 
uniform definite HISTORY OF PHOTOGRAMMETRY in the whole world, This document 
will also make easy the later preparation of the ISP HISTORY. 
In the case of expressed wish the printed national reports on history by edi- 
torial measures will be bound into an assembled work. c Q 
This interim work will provide the reader a relatively vast view of activi- 
ty and development of single spheres of photogrammetry in various countries, 
In the case of need the study can be deepened by abundant references, 
The card-register-type papers DEVELOPMENT OF PHOTOGRAMMETRIC METHODS AND 
INSTRUMENTS, either in the form of a book or as a Card-register, will give 
the reader the possibility to find easily any kind of information and the 
attached references might enable him to study any topic to the very detail. 
In spite of many authors, the work will not necessarily be large, since each 
country should describe only its own development and its particularities . 
The work as it would be, could be a very valuable documentation of the pre- 
sent photogrammetry. 
4. THE LANGUAGE 
Ihe HISTORY OF PHOTOGRAMMETRY in its final form will be published in all 
three ISP languages. 
The possible assembled work, HISTORY will be set up from the original natio- 
nal reports. Its translation will hardly come into consideration. 
The card-register-type papers DEVELOPMENT OF PHOTOGRAMMETRIC METHODS AND 
INSTRUMENTS will first be published in English and later in case of agree- c © 
ment in the remaining two ISP official languages,