2 9 c m
40cm
actual image size: 32cm x 21cm
Description
Holmes' generator, designed in 1867 and put into service in 1871, is seen here on display in the Science Museum's Making the Modern World gallery in 2007. British engineer Frederick Hale Holmes (c 1840-1875) found that magneto-electric generators could pr
Image Details
Image Ref.
10464531
© Science Museum / Science & Society Picture Library