In the 1910s and '20s the O. K. Clutch & Machinery Co. was making clutches, pulleys and other line-shaft components. They also made hoists.
Information Sources
- 1999-06-06 Sunday News (Lancaster, PA), page 36.
April 13—Awarding of federal defense contracts to two local firms was announced at Washington Saturday. The O.K. Clutch and Machinery Co., Columbia, received a $4,689 contract for hoists...