Canada is not exactly known for having produced several ground-breaking inventions or discoveries in her time. However, the period of rapid technological advancement that she incurred during the third period of the history of engineering in Canada brought with it several important engineering inventions which had their roots in Canada. The creation of the controllable pitch propeller was one such invention which was perfected in Canada and was so successful that this primarily Canadian development …showed first 75 words of 833 total…

…showed last 75 words of 833 total…which involved mining, lumbering and exploring isolated expanses of land which could not otherwise be reached quite as easily. W.R. Turnball’s invention of the controllable pitch propeller was clearly one of the most successful Canadian innovations in terms of world recognition. Once perfected, it was quickly bought up by major aircraft manufacturing companies around the world and mass produced to fulfill the global demand, at the time, for such a development in technology.