John Joseph Merlin he wheeled about himself, with great facility to any part of the room." At an event held by Teresa Cornelys in Carlisle House, Soho Square, Merlin appeared somewhat disastrously on roller skates of his own invention. By April 1783 Merlin was putting his musical instruments and his automatons on display at his own museum. Advertisements invited readers to visit his Museum of Musical Instruments and Mechanical Inventions at No. 2, Princes Street, Hanover Square, London. Well-off Londoners could meet their friends at Merlin's Mechanical Museum in the afternoon or evening, pay to see the exhibits, and drink tea or coffee
Hamilton Walker (inventor) the Crowther Toiler in the mid 1970s. Apart from the rotary engines and car, Walker completed a number of inventions such as the internal-head diesel and the 1965 Walker air-cushioned hydrofoil craft. Hamilton Walker (inventor) Hamilton Walker (1903—1990) was a Whangarei, New Zealand engineer, inventor, and farmer who developed and patented a variety of rotary engine designs. He was the creator of New Zealand's first rotary engine. Walker was born 10 November 1903 the third son of James Thompson Walker and Annie Beatrice Douglas. He attended Whangarei Technical School. In 1925 Walker married Vera Sophia Lovett. He took up farming,