Prism and lens making
 Catalogue Number: 1813 Prism and lens making Category: Book Sub-Category: Book of historical note Author: TWYMAN Frank Year Of Publication/Manufacture: 1952 Edition: 2nd Edition Time Period: 1940 to 1999 Place Of Publication/Manufacture: London Publisher/Manufacturer: Hilger and Watts Ltd Description Of Item: Original blue-green cloth covers, 629 pages, 260 figures in text including many black and white photographs. Frontispiece picture of the earliest picture showing spectacles, being a portrait of Cardinal Ugo di Provenza painted in 1352 by Tomasso da Moderna 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 Family of N Jack Neilson, who worked with Australian Optical Company Ltd in Melbourne in the mid 20thC Date Acquired: March 2011 Condition: Good except for spotting on fly leaves Location: Archive room. East wall. Books of historical note |