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Mexico 1861 8 reales stamp, quartered for use as 2 reales value, with San Luis Potosí cancellation [1]. Bisects and splits refer to postage stamps that have been cut in part, most commonly in half, but also other fractions, and postally used for the proportionate value of the entire stamp, such as a two cent stamp cut in half and used as a one cent stamp. [2]
The gold was brought to the surface as small particles embedded in lumps of quartz. The quartz was then crushed into a fine dust by stamping batteries in a stamp mill. A stamp battery contained a row of stamps. On the bottom of each stamp was a heavy piece of iron or steel. Each battery was driven by a cam shaft which was turned by a water ...
A widely used temperature-compensated cut of quartz is the AT-cut. Careful control of temperature and stress is essential in the operation of the QCM. AT-cut crystals are singularly rotated Y-axis cuts in which the top and bottom half of the crystal move in opposite directions (thickness shear vibration) [33] [34] during oscillation. The AT-cut ...
Nonetheless, they remained materials through which to display wealth and status. The characteristic importance placed on colour, which had led to some of the earlier developments, was still present (sun/moon association with gold/silver). Metals other than gold also had an intrinsic value, with axe pieces being of particular note in this regard.
Along with other gold-heavy quartz pieces, the gold was first believed to be bits of damaged machinery. A number of days later, the materials were examined and found to be full of gold. The “Crown Jewel” was the largest of the pieces, weighing in at 60 lb troy (22.4 kg). [4] The finding of the gold was reported by The National Enquirer. [5]
The measurement of sales of popular music starts high relative to the wedding anniversary scale, concentrating on gold and platinum (see gold album).Likewise, credit card companies usually have a "gold card" and a "platinum card" (many formerly had a "silver card" then followed by a "gold card", but due to similarity in appearance between silver and platinum these were often discontinued with ...
The Turban design was used on the gold Quarter Eagle, Half Eagle, and Eagle from 1795 to 1834. [6] On the Quarter and Half Eagles, the Turban design was replaced with the regular Capped Bust design in 1808 and 1807, respectively, [ 7 ] while the Eagle, having been out of production since 1804, adopted the "Coronet" Liberty Head design in 1838.
Containing 2.4286 troy ounces (2.6645 oz; 75.54 g) of gold and measuring 44.9 millimetres (1.77 in) across for the octagonal) and 43 millimetres (1.7 in) in diameter for the round, [56] the $50 pieces were the largest and heaviest U.S. coins issued [57] until surpassed in 2010 by the America the Beautiful silver bullion coins.