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suspect lugs, crown, ends and shell to be all or Argentine origin
likely unfamiliar to nearly all here at this forum
Fischer did make some shells with a lip on the fixed side, their lip is not quite so promient as the one here. shell appears to have provision for a lubrication fitting.
the integral headset is a very 1930's sort of thing
unable to make any guesses here
this machine takes us back to the day of Ildefonso Soler (yes, I appreciate he was Uruguayan
). that era in any event...
if you are in or near BsAs maybe you could show it to an "old-timer" at Saavedra to see if they recognize anything...
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