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From 1993 to 2006 Adobe Systems changed the PDF specification several times to add new features. Various aspects of Adobe's Extension Levels published after 2006 were accepted into working drafts of ISO 32000-2 (PDF 2.0), but developers are cautioned that Adobe's Extensions are not part of the PDF standard.
London sinks were originally shallower than Belfast sinks. [5] One plumbing guide in 1921 suggested that the Belfast sink was 38 centimetres (15 in) deep.) [ 7 ] Some believe this was because London had less access to fresh water (and thus a greater need to conserve water), but this theory is now contested.
Ancient stone tools from Ethiopia were hand-crafted by Australopithecus or related people. [1] [2] [further explanation needed] 2.3 Mya: Earliest likely control of fire and cooking, by Homo habilis [3] [4] [5] 1.76 Mya: Advanced stone tools in Kenya by Homo erectus [6] [7] 1.75 Mya – 150 kya: Varying estimates for the origin of language [8] [9]
Support for PDF version 1.3; 5.0 May 2001 Last version to support Windows 95 OSR2, Windows 98 First Edition, Windows NT 4.0 Service Pack 5, pre-Service Pack 2 Windows 2000, Mac OS 8.6 and Mac OS 9.0.4 - 9.2.2. Windows, Macintosh, Solaris, HP-UX, AIX, Linux Support for PDF version 1.4; 6.0 July 2003 Adobe Acrobat Reader was renamed to Adobe Reader.
1709 — Daniel Gabriel Fahrenheit constructed alcohol thermometers which were reproducible (i.e. two would give the same temperature) 1714 — Daniel Gabriel Fahrenheit invents the mercury-in-glass thermometer giving much greater precision (4 x that of Rømer). Using Rømer's zero point and an upper point of blood temperature, he adjusted the ...
This kitchen measured 1.9 by 3.4 metres (6 ft 3 in by 11 ft 2 in), and was built to optimize kitchen efficiency and lower building costs. The design was the result of detailed time-motion studies and interviews with future tenants to identify what they needed from their kitchens.
1 Centuries. 2 Pre-1800. 3 1800s. 4 1900s. 5 2000s. ... Download as PDF; Printable version; In other projects Wikidata item; ... Timeline of philosophers;
John L. Mason. John Landis Mason (c. 1832 in Vineland, New Jersey – February 26, 1902) was an American tinsmith and the patentee of the metal screw-on lid for antique fruit jars commonly known as Mason jars.