An essay on a new construction, of the reflecting telescope, which by means of a scale of magnifying powers, is made on universal perspective. Performing The Office Of I. Of a common Reflecting Telescope. II. Engyscope, for shewing all near Objects. III. A Megalascope, for all the larger Sort of small Objects. IV. A Microscope, for small Objects. V. A Helioscope for making the Sun's Image by Reflection only. VI. A Helioscope by Reflection and Refraction. Vii. A Solar-Disk Microscope. Viii. A Catadioptric Microscope.

People / Organizations

• Benjamin Martin (Author)

Imprint

London: printed for, and sold by B. Martin, NO. 171, Fleet-Street, [1775?]

Publication year

1775-1775

ESTC No.

T10170

Grub Street ID

155557

Description

8p.,plate ; 8⁰

Note

Anonymous. By Benjamin Martin.