Pamphlet - "A description of the Compound (commonly call'd the Reflecting or Double) microscope. With Great Improvements" 1747
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
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