Whether you buy a used car from a dealer or an individual: Test drive the car under varied road conditions â on hills, highways, and in stop-and-go traffic. Ask for the car's maintenance record from the owner, dealer, or repair shop.
Other top-loading washing machines can spin as fast as 1600 rpm, although these models are usually more expensive. While spin speeds fluctuate by manufacturer and model, most top-loading washing machines have spin rates of about 800 rpm rather than 1600 rpm, which are rarer.
Answer Wiki. 1797. American, James King patented the first washing machine to use a drum in 1851, the drum made King's machine resemble a modern machine, however it was still hand powered. In 1858, Hamilton Smith patented the rotary washing machine. The Thor was the first electric-powered washing machine.