Pamphlet - "A description of the Compound (commonly call'd the Reflecting or Double) microscope. With Great Improvements" 1747
Microscope by J. Mann, body in green vellum, gold stamped, mahogany base replaced, 1 objective and eyepiece and cap, 1687-1699 Microscope by James Mann, 1687-1699 1687-1699
Telescope in green shagreen in original case by James Mann, London, c.1730. Telescope in original case by James Mann, London, c.1730 1725-1735