![](http://www.alamy.com/thumbs/6/92207607-1E12-4A5D-8013-634FF28F2590/2J0C6MF.jpg)
Section of the Willans Central Valve Compound Engine. Black and White Illustration;
Size: 3322px × 3804px
Photo credit: © Timewatch Images / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: 19th, antiquarian, antique, black, british, bygone, century, cmvolvii, drawing, drawings, dynamo, electricity, engraved, engraving, generator, historic, historical, history, illustration, image, industry, kingdom, monochrome, nineteenth, olden, period, picture, pictures, print, prints, times, timewatchimages, united, victorian, vintage, white, willans, woodcut