3643764 Forty eight thousand children under fourteen years of age are now employed in the factories of Japan at an average wage of 2.75 old pence (b/w photo) by English Photographer, (20th century); Private Collection; (add.info.: Forty eight thousand children under fourteen years of age are now employed in the factories of Japan at an average wage of 2.75 old pence. Illustration for The World\'s Work (Heinemann, June to November 1907).); by Look and Learn.