Model Passenger Locomotive, 1840-1845
1840-1845
Arithmometer by Elliott Brothers
1885-1894
Kilo-ampere balance (a) Box containing sliding weights
1888
Battenburg's speed and distance scale by Elliott Bros.
Model in brass of Silver's patent
1855
Resistance divider box for use with potentiometer
Rymer-Jones key
Astatic galvanometer by Elliott Brothers, 1872.
1872
Rotating spark
1872
Resistance box by Elliott Bros., London
Dipping needle with arc
1872
Tangent galvanometer
1864-1886
Moving coil chart recorder by Elliott
Four-coil Thomson astatic galvanometer
1880
Thomson's reflecting galvanometer
1864-1887
Rheostat, Kelvin Pattern
1888
"10,000 legal ohms" resistance by Elliott Bros.
1881-1889
Astatic mirror galvanometer
1880
Standard mica condenser (capacitance)
Compass on gimbals
1872
Discharging rod, jointed
1872
Variable electical resistance (0-4 ohms)
1864-1887
Horizontal galvanometer, portable, Post Office form
1890-1930
Smee cell
1895
Post office box
Aneroid barometer
Standard mica capacitator
Electrophorus
1872
Apparatus for earth induction
1887
Grove battery of five cells, 1895
1895
Rolling parallel rule by Elliott Bros
1870-1910
Box of draughtsman's instruments 46 x 36 x 15 cm
Early form of Amsler planimeter c. 1856
1854-1856
Simplex patent steam engine indicator
electrodynamometer voltmeter
Spherometer and glass test plate in fitted wooden box
1870-1919
Compound monocular microscope in case by Elliott Brothers London
1853-1870
Folding rule in canvas case
1890-1909
Caliper, metal, in velvet case
1801-1900
"Keith's Improv'd Scale"
Navigational current correction calculator stamped "L.C. Bailey R.N.F.R.A.S."
Polar planimeter
Chart ruler, by Dr. Thursfield, London, 1880-1930
1880-1930
Maximum and minimum thermometer
Hypsometer with carrying case by Elliott Brothers
1831-1870
Watkin type clinometer, British, 1895
1895
Kew pattern unifilar magnetometer
1883
Apparatus to illustrate the phenomena of terrestrial magnetism
Porvell's wave apparatus
Lord Kelvin's mirror galvanometer with lamp and stand, 1858.
1858