It *was* kinda 'low-tech'. But remember, this was how they were
making automobile bodies during this era as well - sheets of metal
being hammered over a wooden male mold. The hydraulic press that
could stamp out metal parts by the hundreds didn't come into general
use until the 30's.
Cheers,
-- Bill Shatzer - bshatzer@ednet1.osl.or.gov - aw177@FreeNet.Carleton.ca