Theodolite, brass in wooden case, by Robert Banks, The Strand London, c.1810, used in the construction of the YNMR & NER, 1835-1860; : 11 x 11 x 11 in (279.4 x 279.4 x 279.4 mm) Theodolite in wooden case 1852
selection of 8 sets of diffraction rulings on polished steel, 7 of 8 in individual cylindrical wooden cases, one loose, with 6 diagrams of rulings on card, in velvet-lined leather covered case, by Robert Bancks (unsigned), London, England, c. 1826. selection of 8 sets of diffraction rulings on polished steel 1820-1829
Brass camera lucida, no lenses, in fishskin case by Robert Bancks, London, c.1825. Brass camera lucida 1820-1830
Orrery with brass gearwork and paper scale showing seven planets out to Uranus with wooden case, signed Banks, London with terrestrial globe marked Bardin, late 18th century. Printed base scale identical to that used with other similar instruments (see 1918-105 & 1979-154). The planets from Mars outwards are probably a later addition as they are undriven by wheelwork under the plate. Orrery planetary model by Banks, 1776-1780 1776-1780