Camera Lucinda, of a heavy wedge shaped brass base with supporting hollow arm with aligning marks. Sliding arm calibrated 2, 3, 4, 5, 7, 10, D. Swivelling head with prism engraved '£'. Alternative convex or concave lenses on hinged mount. Scratched 'engraving'. WHW 3 84. Camera Lucida circa 1850
Nickel plated camera lucida, with g-clamp fitting, telescopic shaft. Plus ten correction lenses and fitlers, in fitted case. Camera lucida and case, c 1820 1815-1825