KROGMAN AND SASSOUNI
Philadelphia - 1957
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 Drawing by Durer showing how 
the difference in type means only 
a difference o scale.
Variation of the facial factures 
in the three forms of faces 
(Drawings by Durer.)
 
CEPHALOSTAT
In 1931, there appeared simultaneously, two historic scientific roentgenographic
cephalometers:
 
  
  
  
Broadbent-Bolton (USA)
Hofrath (Germany)
Infant and animal cephalometry
 
De Nevreze (1936) proposes a profilometer 
oriented to the FH. Perpendiculars permit a 
direct application of Simon's and Dreyfus's 
analysis. It is generally used in conjunction 
with photography.		     Korkhaus, 193 
 
 
 
 		   Waldo, 1938 
 
 
 
 
 
 
 
  Marcolis, 1940 
 
 
 		 Laster model of the 
Broadbent-Bolton 
Roentgenographic 
Cephalometer		           Weingart, 1948 
 
 
 		    Thurow, 1951 
 
 
 
 
 
   Bjork, 1951  Elsasser 1951 - 1953 proposes the ORTHOMETER 
whic measures the departure of varius points in the 
facial midline form orthognathy.		    Freeman-Rasmussen, 1952 
 
Reboul (1954) described a simple way adjustment and simple 
head-holder. User a cephalostat is well adjusted, it cannot be 
expected to obtain accurate superimposition between left and 
right slides.
 

                                  Ponto  X  de Beatty