HAUSER (Made In Switzerland) High-Precision Jig Grinder
Model #3SM S/N: 113
"The Type 3SM jig grinder had a 550 x 320 mm (21.5" x 12.5") table with a
longitudinal travel of 400 mm (16") and a transverse of 250 mm (10").
The vertical slide could be elevated through a distance of 400 mm (16")
to give a maximum clearance between spindle nose and table of 470 mm "18.5").
Table positions were measured by hardened, ground and stress-relieved precision
leadscrews fitted with massive (and illuminated) micrometer drums and