Labels:text | book | handwriting OCR: A C ZACHARIAS JANSSEN WHITCOMB JUDSON -fl. 1600 -fl. 1891 E F ZACHARIAS JANSSEN, the son N 1891, an G of an optician, managed his H American father's shop in Middelburg, I named Whitcomb Holland. Between 1590 and 1600, Judson devised a K he invented a microscope that was boot fastener 3 inches (8 cm) long and supported based on small by three brass dolphins. However, interlocking teeth. However, the M the images produced were blurred manufactured "zippers" were of low N due to the poor quality of the lenses. quality and likely to burst open. Sixty years later, Antonie van In 1906, Gideon Sundback from P Q GOLFPBXNEMU Leeuwenhoek of Holland greatly Sweden improved the zipper by improved the microscope by using metal teeth. During World R S producing very small, high-quality, War I, the U.S. Army fitted 10,000 T and high-powered lenses. zippers into their flying suits. W Y Microscope Zipper 7 M