This company is known to have made a belt driven bench grinder for farm and other tools.
Information Sources
- News print ad, claimed to be from a 1917 publication, listed for sale on eBay (June 2013). Ad shows a period correct babbitt bearing style grinder, with flat belt pulley, single two piece tool rest and special disk grinding attachment.
- Mailing address: Duplex Mill & Mfg Co, Box 423, Springfield Ohio.