Singer Porlock Plus Race Car at the Josefuv Dul Car Show, Liberecky kraj, Bohemia(CZ), 2015

This car took some research to write a caption on. It's obviously an open-wheel race car, made by Singer Motors, not the sewing machine company, in Coventry, the West Midlands, England. Originally, Singer Motors was a bicycle company trading under the name "Singer Cycle Company." George Singer, the founder, actually died in 1909, six years before the company switched exclusively to automobile production. More confusingly, George Singer had been a foreman of the Coventry Sewing Machine Company, which also had no relation to the Singer Manufacturing Company that produced sewing machines, and was in fact more closely related to the later Swift Motor Company, that also produced cars.

Singer Motors was one of the automakers, along with Ford and Sears Roebuck, that produced early economy cars, even if Ford utterly dominated in this market from 1914 onward. The first Singers were three-wheelers, like a lot of British cars, with the first one, the Tri-Voiturette, entering production in 1902. Four-wheeled Singers debuted in 1905, and the first Singer sports car was probably the Ten, introduced in 1912, which remained in production in various facelifts until 1949 (although over the years it evolved into more of a saloon than a sports car).

The Junior Porlock, which this race car was based on, was produced (from what I can determine) from 1926 until at least 1931, with this car being supposedly built in 1929, but information on the original stock version of this car is very hard to find online. My research exposed the considerably limits of the modern-day Internet, as only information about current cars in preservation was easy to find, and this was very patchy. I'm assuming that this race car was built by the team that originally used it, rather than solely by the Singer factory.