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On the other end of the beam is a curved metal box called a horse head or donkey head, so named due to its appearance. A cable made of steel—occasionally, fibreglass—, called a bridle, connects the horse head to the polished rod, a piston that passes through the stuffing box.
A steam donkey or donkey engine is a steam-powered winch once widely used in logging, mining, maritime, and other industrial applications. Steam-powered donkeys were commonly found on large metal-hulled multi-masted cargo vessels in the later decades of the Age of Sail on through the Age of Steam , particularly heavily sailed skeleton-crewed ...
Pack burro racing is a sport in Colorado, Arizona, California, and New Mexico that is rooted in the various western states' mining histories. [1] In the early days of the mining industry in Colorado, miners would take donkeys (burros in Spanish) through the mountains of Colorado while prospecting. Because the burros were carrying supplies, the ...
Mining equipment companies (2 C, 34 P) R. Mining railways (4 C, 32 P) S. Stamp mills (23 P) Stripping shovels (6 P) T. Tailings dams (1 C, 13 P) Pages in category ...
Horse or donkey-powered stone mills at Pompeii. The donkey or horse-driven rotary mill was a 4th-century BC Carthaginian invention, with possible origins in Carthaginian Sardinia . [ 1 ] [ 2 ] Two Carthaginian animal-powered millstones built using red lava from Carthaginian-controlled Mulargia in Sardinia were found in a 375–350 BC shipwreck ...
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In the third world packhorses, and donkeys to an even greater extent, still haul goods to market, carry supplies for workers and do many of the other jobs that have been performed for millennia. In modern warfare, pack mules are used to bring supplies to areas where roads are poor and fuel supply is uncertain. For example they are a critical ...
A yarder is piece of logging equipment that uses a system of cables to pull or fly logs from the stump to a collection point. [1] It generally consists of an engine, drums, and spar, but has a range of configurations and variations, such as the swing yarder. Clyde Skidder at Marathon Logging Camp near Newton, MS ~1921 Madill 124 Yarder. An ...