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Steel mill: By the 11th century, much of the Islamic world had industrial steel watermills in operation, from Al-Andalus and North Africa to the Middle East and Central Asia. [ 84] Weight -driven clock: Arabic engineers invented water clocks driven by gears and weights in the 11th century.
Besides postage stamps and souvenir sheets, the post office also sells first day covers, leaflets with and without stamps on it and postal stationery. Earlier, the post office did not use any specific numbering system but this changed when they started using a rather simple system on their leaflets: xxxx – y where xxxx is the year and y is ...
The Most Comprehensive Pakistan Postage Stamps Colour Catalogue 2006 – 2007, Edited by: MI Choudhary, Lahore, Pakistan; Popular's Pakistan Postage Stamps Catalogue 6th Edition, Edited by: A. Latif Rashed, Lahore, Pakistan, 2006; External links. Collect Pakistan Postage Stamps Stamp Catalogue. Akhtar ul Islam Siddiqui Editor, Faisalabad, Pakistan.
[1 Stamp Rs.5, 8 October 2006] 10 .Medicinal Plants of Pakistan ( Chamomilla & Aloe Vera) [2 Stamp Rs.5 Each, 30 October 2006] 11 .International Anti-Corruption Day [1 Stamp Rs.5, 9 December 2006] 12 .10 Years of Baltit Fort Heritage Trust [1 Stamp Rs.15, 20 December 2006] 13 .Centenary Celebration of the Muslim League 1906-2006 [8 Stamp Rs.4 ...
One stamp was issued on this occasion. Value: 50 p. 1977 –6 Birth Centenary of Agha Khan III – 2 November 1977. One stamp was issued on this occasion. Value: Rs. 2. 1977 –7 Iqbal Centenary 1977 – 9 November 1977. Five stamps were issued in se-tenant horizontal strip on this occasion. Value: 20 p, 65 p, Rs. 1.25, Rs. 2.25 Rs. 3.
Smith, Peter A S, Egypt: Stamps and Postal History - A Philatelic Treatise, J Bendon, 1999, 922pp, ISBN 9963-579-81-7 Chalhoub, J.H. and Hass, C., The Nile Post: Handbook and Catalogue of Egyptian Stamps, Including Listings of the Egyptian Issues for Palestine and Sudan, as Well as Those of the French Consular Post Offices in Alexandria and ...
Siddiqui Stamps Catalogue - Collect Pakistan Postage Stamps 2011 Edition available at www.pakistanphilately.com Editor: Akhtar ul Islam Siddiqui; Ron Doubleday and Usman Ali Isani, Pakistan Overprints on Indian Stamps and Postal Stationery 1947–1949, Karachi (1993).
Medieval Islamic geography and cartography refer to the study of geography and cartography in the Muslim world during the Islamic Golden Age (variously dated between the 8th century and 16th century). Muslim scholars made advances to the map-making traditions of earlier cultures, [ 1] particularly the Hellenistic geographers Ptolemy and Marinus ...