What is difference between singer 66 and 201?

The Singer 66 and Singer 201 are both vintage sewing machines, but they have distinct features. The Singer 66, introduced in 1902, is known for its ornate design and is a vibrating shuttle machine, while the Singer 201, released in the 1930s, features a more streamlined design and uses a rotary hook system, providing smoother stitching. The 201 is often regarded for its superior stitching capabilities and versatility, making it a favorite among quilters and sewers. Overall, the 66 is more decorative and traditional, while the 201 offers enhanced performance and reliability.