These Machines Are Limited Use Training Machines. All Complete With Accessories, Instruction Books, & Warranty. The Elna trademark has earned a significant place in the sewing industry as a result of numerous groundbreaking innovations which have placed Elna products in a class of their own. Elna sewing machines have been around since 1940 with the launch of the Elna # 1, the first compact, portable, electric sewing machine with a free arm.