horsehead


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Related to horsehead: Horsehead Nebula

horsehead

[′hȯrs‚hed]
(mining engineering)
Timbers or steel joists used to support planks in tunneling through loose ground.
(petroleum engineering)
A curved section of the walking beam of a beam pumping unit installed in an oil well.
References in periodicals archive ?
Caroline also directed Horsehead's recent sell-out show, Vicious, while the cast have to play the characters as they are in the present day - but also as they were back at school.
In practice, the shaft structure is under homogeneous soil pressure before the horsehead is excavated.
The Horsehead is a dark nebula overlaying the bright nebula IC 434.
The Horsehead Nebula lies in the constellation Orion, about 1300 light-years away, and is a popular target for amateur and professional astronomers alike.
The acquired business, which is a long-term customer of Horsehead, manufactures zinc powders for the alkaline battery segment at its site, which is located near Horsehead's Monaca zinc smelter.
"Until now Horsehead has absorbed dramatic increases to our energy and transportation costs in hopes that prices would return to more normal levels," said James Totera, vice president of sales and marketing.
Of what natural phenomenon are Horsehead, Crab and Eagle notable examples?
These photographs include the pinpoints of stellar light making up the M13 globular cluster, Venus transiting across the face of the sun, the Horsehead nebula, the Crab pulsar, and the tentacles of the Tarantula nebula.
"People love the logo," a distinctive horsehead, and anecdotal sightings have placed it on bodies visiting locations as far-flung as Qatar and Glacier National Park.
The Flame and the Horsehead nebulae in Orion, the Hunter, are easily located because of their proximity to Alnitak, the easternmost star in the Hunter's Belt, but their dimness and low contrast make them a challenge to observe.
It is of the Horsehead Nebula-but what is the horse's head?