""A Plea for Reflectors"" is a book written by John Browning in 1876. The book provides a detailed description of the new astronomical telescopes with silvered-glass specula. Browning makes a strong case for the use of reflectors in astronomy, arguing that they are superior to refractors in many ways. He describes the construction and use of these telescopes, providing technical information and diagrams to aid the reader in understanding the subject...