mounting


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mounting

The structure that supports an astronomical telescope, designed so that the telescope may be pointed at almost every part of the heavens, preferably without forcing an observer into awkward positions. All telescope mountings must therefore be constructed so that the tube can turn about two axes at right angles. There are two main types: the equatorial mounting, with one axis parallel to the Earth's axis, and the altazimuth mounting, with one axis vertical. Since high magnifications exaggerate any movement, the support must be rigid. In addition, because the Earth is turning through 0.25° per minute, means must be provided to move the telescope smoothly in the opposite direction; this counterbalances the diurnal motion of a star and keeps it in the field of view.
References in periodicals archive ?
We have selected silver flake (or tin flake for preparing sulfides since sulfides reacts with silver) as a mounting medium since they have good electrical conductivity, bleed the charge and help to conduct away the heat generated from the electron beam sample interaction and do not add an excessive number of peaks to the x-ray spectrum at analysis time.
is the exclusive North American distributor of ProClip in-vehicle device mounting solutions and accessories.
There are no repair parts for the lower mounting bracket, but there are for the lever release bracket:
In-line mixer option can increase pre-blending performance, and a machine throat adapter, which mounts between the machine hopper and machine mounting plate, allows two Spectras to feed simultaneously for nearly instant color changes on the same machine.
Mounting solutions are also available for other Apple devices such iPhones and iPods.
Also included are an aluminum mounting casting at the throat and a slide gate.
PLS mounting kit, NSN 1005-01-363-2502 (both the HEMTT and PLS mounting kits include the M66 mount ring.
T-series (built by Dri-Air Industries) for machine, cart and floor mounting provides high capacity in a small footprint.
The new mount enables integrators to address a cross section of installation scenarios with features including fine-tune controls, a quick installation disk, adjustable mounting legs, leveling barrels, a Quick-Set base and Lock-It[TM] security hardware.
In fact, those vibrations loosen the muffler mounting hardware.
Premier Mounts' World's Thinnest Mount provides homeowners with a sleek and sophisticated mounting solution that easily fits into any room decor.