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Binocular :: Binocular (n.) A binocular glass, whether opera glass, telescope, or microscope..

Telescopically :: Telescopically (adv.) In a telescopical manner; by or with the telescope.

Bruiser :: Bruiser (n.) A concave tool used in grinding lenses or the speculums of telescopes.

Tube :: Tube (n.) A telescope.

Power :: Power (n.) The degree to which a lens, mirror, or any optical instrument, magnifies; in the telescope, and usually in the microscope, the number of times it multiplies, or augments, the apparent diameter of an object; sometimes, in microscopes, the number of times it multiplies the apparent surface..

Micrometer :: Micrometer (n.) An instrument, used with a telescope or microscope, for measuring minute distances, or the apparent diameters of objects which subtend minute angles. The measurement given directly is that of the image of the object formed at the focus of the object glass..

#NAME? :: -scope () A combining form usually signifying an instrument for viewing (with the eye) or observing (in any way); as in microscope, telescope, altoscope, anemoscope..

Definition :: Definition (n.) The act of defining; determination of the limits; as, a telescope accurate in definition..

Aperture :: Aperture (n.) The diameter of the exposed part of the object glass of a telescope or other optical instrument; as, a telescope of four-inch aperture..

Telescopical :: Telescopical (a.) Having the power of extension by joints sliding one within another, like the tube of a small telescope or a spyglass; especially (Mach.), constructed of concentric tubes, either stationary, as in the telescopic boiler, or movable, as in the telescopic chimney of a war vessel, which may be put out of sight by being lowered endwise..

Dynameter :: Dynameter (n.) An instrument for determining the magnifying power of telescopes, consisting usually of a doubleimage micrometer applied to the eye end of a telescope for measuring accurately the diameter of the image of the object glass there formed; which measurement, compared with the actual diameter of the glass, gives the magnifying power..

Cathetometer :: Cathetometer (n.) An instrument for the accurate measurement of small differences of height; esp. of the differences in the height of the upper surfaces of two columns of mercury or other fluid, or of the same column at different times. It consists of a telescopic leveling apparatus (d), which slides up or down a perpendicular metallic standard very finely graduated (bb). The telescope is raised or depressed in order to sight the objects or surfaces, and the differences in vertical height are th

Telescoped :: Telescoped (imp. & p. p.) of Telescop.

Telescopical :: Telescopical (a.) Seen or discoverable only by a telescope; as, telescopic stars..

Image :: Image (n.) The figure or picture of any object formed at the focus of a lens or mirror, by rays of light from the several points of the object symmetrically refracted or reflected to corresponding points in such focus; this may be received on a screen, a photographic plate, or the retina of the eye, and viewed directly by the eye, or with an eyeglass, as in the telescope and microscope; the likeness of an object formed by reflection; as, to see one's image in a mirror..

Stadtholder :: Stadium (n.) A kind of telemeter for measuring the distance of an object of known dimensions, by observing the angle it subtends; especially (Surveying), a graduated rod used 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..

Diaphragm :: Diaphragm (n.) A plate with an opening, which is generally circular, used in instruments to cut off marginal portions of a beam of light, as at the focus of a telescope..

Telescopical :: Telescopical (a.) Of or pertaining to a telescope; performed by a telescope.

Y :: Y (n.) One of the forked holders for supporting the telescope of a leveling instrument, or the axis of a theodolite; a wye..

Telescope :: Telescope (v. t.) To cause to come into collision, so as to telescope..

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