d grooves accurately ground in the hardsteel races. So little wear occurs that evenafter years of service it is not measurable byordinary means. The benefit of the extensive researchesconducted by our fully equipped laboratoryand of our experience m applying ball bearingsto automotive equipment of… … BALL BEARINU Tht Uightst lixprtMionoftfu btarint FrincipU Aitoiuotive IndustriesDeeembet- 28. 19SS MODKK.N SII.I.UIM; SYSTKMS 1279
Automobiles · Aeronautics
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