large example of a Brunsviga with the "brains of steel" logo on the left hand side of the upper surface of the machine; one crank on the left, three small and one large driving crank on the right hand side.
Brunsviga Maschinenwerke Grimm - Natalis & Company
181223 stamped on front
8 1/2 x 17 1/2 x 12 1/2 in. Dimension is for metal case