Design, construction, and test of a phasing transformer (1910) (14779473174)
Size: 1323px × 1889px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ancient, book, bygone, copy, cover, editorial, historic, history, illustration, news, nostalgia, nostalgic, photo, photograph, photography, space, stock, textbook, vintage