------------------------------------------------
C. M. C.
Our Synthetical Mineral
BEARINGS
are chemically and crystal logically identical with the minerals
whose names they bear. Any size, any surface. Diamond,
Rock-Crystal, Agate and Ruby Bearings-cups, caps and collars for
the higher speeds. For tractor bearings and spindles-Imperative.
For rear propellers-Indispensable. For all working
parts-Advisable.
Commercial Minerals Co.
107 Minories
------------------------------------------------