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.
- Martin, Benjamin, 1705-1782.
- Date:
- [1775?]
- Books
- Online
Online resources
About this work
Publication/Creation
London : printed for, and sold by B. Martin, NO. 171, Fleet-Street, [1775?]
Physical description
8p.,plate ; 80.
Contributors
References note
ESTC T10170
Reproduction note
Electronic reproduction. Farmington Hills, Mich. : Thomson Gale, 2003. (Eighteenth century collections online). Available via the World Wide Web. Access limited by licensing agreements.