National Geographic : 1952 Jul
t Golden Discs in a Ghost-filled Vault Preserve "His Master's Voice" RCA Victor's vault at Camden holds a half-century's musical history on priceless master recordings. Gold and silver coated for electroplating, they perpetuate the genius of such artists as Caruso and Paderewski. Nipper listens to a 1905 Victor Talking Machine. Kodachromes by Robert F. Sisson ' NATIONAL GEOGRAPHIC Color Flows from Kodachrome to Copper Plate Since 1912 the Beck Engraving Company of Philadel phia has made nearly all the color-plate and black and-white engravings from which the NATIONAL GEO GRAPHIC'S illustrations are printed. This picture was made by more than 2,300,000 raised dots on 4 plates.