Optical glassworking
 Catalogue Number: 341 Optical glassworking Category: Book Sub-Category: Book of historical note Author: Frank TWYMAN Year Of Publication/Manufacture: 1955 Time Period: 1940 to 1999 Place Of Publication/Manufacture: London Publisher/Manufacturer: Hilger Watts Ltd Description Of Item: Original orange cloth, dust wrapper, 275 pages, 108 illustrations Historical Significance: Frank Twyman FRS FInstPhys, President of the Optical society, worked for Hilger and designed spectroscopes and an interferometer (The Tywman Green interferometer pictured) that bears his name. He wrote a number of books on spectroscopy and spectrophotometry and prisms. How Acquired: Donated by Jeffrey Coulson, CWM Optometrists, Launceston Date Acquired: 1/08/2005 Condition: Very good Location: Archive room. East wall. Books of historical note |