reflector

No, my lad, I'm not going to operate on you instanter, but I do want my reflector.

This was made with his five-and-a-half-foot Gregorian reflector.

A refractor is also more convenient to handle than is a reflector.

Not even the great Whernside reflector was able to pick it up.

Jumping up on a table, he fixed it to the top of the reflector over the gas-jet.

With this reflector Herschel commenced a methodical piece of observation.

A comparison has already been made in an article in the "Reflector."

The same eyepieces will serve for either the reflector or the refractor.

The reflector, on the other hand, forms the image at the focus of a concave mirror.

The lamp is fed by a cistern of oil at the back of the reflector.