The Model A
This model was first recorded in the company’s records dating back to 1916. It was furnished with an 8” work table. In 1917, they produced a 12” machine and identified the two models as A-8 and A-12. In 1918 they added a 16” machine and referred to this as A-16. They continued with this same basic design with modifications until 1935. In 1936, extensive changes were made in the Arter machines. The Model A machines were split into two styles. The Model A-1 machines were built in 8” and 12” sizes using the old sleeve bearings, etc. in the wheel and chuck spindles. An improved Model A machine, designated as Model A-3, was built in 12” and 16” sizes. This machine had ball bearings in the work spindle and the wheel spindle used a plain bearing on the wheel end and a ball bearing on the sheave end. It also had a two-stage disk type clutch and brake which was a substantial improvement. All machines of Model A-1 and A-3 series, whether 8”’, 12” or 16” chuck sizes, have a wheelhead driven by a flat belt. The later Model A’s have a motor mounted on the wheelhead with a Reeves drive to chuck spindle.