In the 1940s the Specialties Manufacturing Co. manufactured a lathe attachment that provided stops for the lathe carriage. This device was patented by John A. Honegger, who may have been the company founder or co-founder.
Information Sources
- Thanks to Joel Roltgen for posting about a device marked "SPEC MFG CO INC. BLOOMFIELD N.J. :PAT. PEND", and also for finding the patent for it.
- August 1941 The Tool Engineer has an ad from Specialties Manufacturing Company, Inc., 35 Farrand Street, Bloomfield, N. J. The "Quadruplex" turret tailstock was $16.25; the Quadruplex lathe stop was $19.95 and the Quadruplex miller stop, $25.00.