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The former Callander Foundry continued to operated as The Rockwell International era was marked by an emphasis on corporate financial performance and quality suffered on some products. Merged with North American Rockwell Corp., and the resulting operation was Rockwell International Corp. In 1960 they bought Porter-Cable Machine Co., maker of handheld power tools. In 1953 Rockwell/Delta purchased the, a Canadian company that made the Beaver Power Tools line that dominated the Canadian hobbyist market. It appears that the saws and their motors were manufactured for Rockwell by, which had already been making motors for Rockwell, and possibly for Delta before the purchase by Rockwell. In 1948, Rockwell/Delta bought, makers of a line of turret-arm radial arm saws that competed well against radial arm saws. In 1945, Delta was sold to, which had until very recently been known as the Pittsburgh Equitable Meter and Manufacturing Co., and which had just purchased In late 1945 or early '46, Rockwell bought although both Arcade and Rockwell/Delta had a 'Homecraft' line of machinery, none of Arcade's Homecraft designs were ever sold by Rockwell/Delta they did, however, use Arcade's foundry and machining facilities. Tauco label from a scroll saw that was exported to South Africa In 1942, Marshall Field and partners sold it to Timken Detroit Axle Co., part of an early conglomerate controlled by Willard Rockwell.
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