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2. Gauge block - Wikipedia

   en.wikipedia.org/wiki/Gauge_block

   Metric gauge block set, 112 pcs Another set with 8 pcs, 125 mm - 500 mm Trolley model. Gauge blocks (also known as gage blocks, Johansson gauges, slip gauges, or Jo blocks) are a system for producing precision lengths. The individual gauge block is a metal or ceramic block that has been precision ground and lapped to a specific thickness. Gauge ...

3. BASIC Stamp - Wikipedia

   en.wikipedia.org/wiki/BASIC_Stamp

   The BASIC Stamp is programmed in a variant of the BASIC language, called PBASIC. PBASIC incorporates common microcontroller functions, including PWM, serial communications, I²C and 1-Wire communications, communications with common LCD driver circuits, hobby servo pulse trains, pseudo-sine wave frequencies, and the ability to time an RC circuit which may be used to detect an analog value.

4. Presidents of the United States on U.S. postage stamps

   en.wikipedia.org/wiki/Presidents_of_the_United...

   The U.S. Postal Service issued the 29-cent Thomas Jefferson definitive stamp on April 13, 1993, in Charlottesville, Virginia. The stamp engraving features a portrait of Jefferson and is part of the Great Americans series. The stamp issue was designed by Christopher Calle while the die for the stamp was engraved by Stamp Venturers, Inc.

5. Australia Post stamps and products - Wikipedia

   en.wikipedia.org/wiki/Australia_Post_Stamps_and...

   Soon after, the two atolls that comprise the islands started to appear on maps. These stamps show details of various Italian, French, Dutch and English maps over 400 years from the 17th to the 20th centuries. Each stamp is composed of various maps from a particular century: 17th, 18th, 19th and 20th. 100th Anniversary First Air Mail: 1 July 2014

6. Definitive postage stamps of Ireland - Wikipedia

   en.wikipedia.org/wiki/Definitive_postage_stamps...

   These stamps were also released in several booklet and coil formats and different printings. Irish currency. Eighteen values from 1p to £5 made up the initial set. All values, except the £1 and £5 (being nearly double size at 24 mm x 45 mm) that were printed in sheets of 50, were all sheets of 100 by ISSP, Irish Stamp Security Stamp Printing ...

7. Postage stamps of Ireland - Wikipedia

   en.wikipedia.org/wiki/Postage_stamps_of_Ireland

   2d Map of Ireland: first Irish postage stamp The postage stamps of Ireland are issued by the postal operator of the independent Irish state. Ireland was part of the United Kingdom of Great Britain and Ireland when the world's first postage stamps were issued in 1840. These stamps, and all subsequent British issues, were used throughout Ireland until the new Irish Government assumed power in ...