a file on injectors
 

a file on injectors
hi
a while back i came across a .pdf file on injectors. it decribed the geometry, orfices, and other componets of the injectors. it was from nasa and look like it was from the applo era. does any one know of this file as i tryed to find it again on the net and had no luck.
would be grateful for any help.
regards
john