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ich open and shut daily at certain hours. -- Solar lamp, an argand lamp. -- Solar microscope, a microscope consisting essentially, first, of a mirror for reflecting a beam of sunlight through the tube, which sometimes is fixed in a window shutter; secondly, of a condenser, or large lens, for converging the beam upon…

A combination of spectroscope and bolometer for determining the distribution of energy in a spectrum. --Spec`tro*bo`lo*met"ric (#), a.

g spectroheliograms, consisting of a spectroscopic camera used in combination with a telescope, and provided with clockwork for moving the sun's image across the slit. -- Spec`tro*he`li*o*graph"ic (#), a.

A spectroscope fitted for measurements of the luminious spectra observed with it.

he principle of the photophone and used in spectrum analysis as an adjunct to the spectroscope. -- Spec`tro*phon"ic (#), a.

Of or pertaining to a spectroscope, or spectroscopy. -- Spec`tro*scop"ic*al*ly, adv.

One who investigates by means of a spectroscope; one skilled in the use of the spectroscope.

The use of the spectroscope; investigations made with the spectroscope.

screen, by direct vision, by photography, or otherwise. See Illust. of Light, and Spectroscope.

A reflector of polished metal, especially one used in reflecting telescopes. See Speculum metal, below.

An instrument for measuring the curvature of spherical surface, as of lenses for telescope, etc.

A small telescope for viewing distant terrestrial objects.

Same as Hagioscope.

sed to measure the distance of the place where it stands from an instrument having a telescope, by observing the number of the graduations of the rod that are seen between certain parallel wires (stadia wires) in the field of view of the telescope; -- also called stadia, and stadia rod.

The platform of a microscope, upon which an object is placed to be viewed. See Illust. of Microscope.

t of from two hundred and fifty to three hundred pounds, -- used in weighing pitch. Microscope stand, the instrument, excepting the eyepiece, objective, and other removable optical parts. -- Stand of ammunition, the projectile, cartridge, and sabot connected together. -- Stand of arms. (Mil.) See under Arms. -- Stan…

Any picture, or pair of pictures, prepared for exhibition in the stereoscope. Stereographs are now commonly made by means of photography.

Of or pertaining to the stereoscope; characteristic of, or adapted to, the stereoscope; as, a stereoscopic effect; the stereoscopic function of the eyeglasses; stereoscopic views. -- Ste`re*o*scop"ic*al*ly, adv.

One skilled in the use or construction of stereoscopes.

The art or science of using the stereoscope, or of constructing the instrument or the views used with it.