Cooke and Wheatstone's ABC telegraph transmitter
1840
Portion of original nitric acid battery
1839
Varley's lightning protector, 1856
1856
Wheatstone's original bridge
1843
Microscope Lamp
1845-1855
Silver ear trumpet hearing aid
1829
Photographic engraving print depicting ferns
circa 1852
Salt print of a Cuneiform clay tablet
1854
Jabez Hogg photographing Mr Johnson in Richard Beard's studio, c 1843
1840-1848
Photoglyphic engraving depicting lace
circa 1852
Draper's daguerreotype of Solar Spectrum
1842
Fern Leaf
1852
Steam locomotive, entitled Cornwall
1847
Queen Adelaide's Saloon, No. 2
1842
Model of a Viking Ship of about A.D.900, excavated from Gokstad
1913; circa 900 CE
Part of Electromagnet
1855
Part of Electromagnet
1855
Silver shilling coin
1856
Model of Henry Cavendish's Torsion Balance Gravitational Apparatus, 1798
1798 (original); 1977 (model)
6 inch altazimuth theodolite by W. & T. Gilbert
1840
Peltier Type Electrometer, 1848
1845
Gravity pendulum by Bailey, R.A.S. No.2
1834
Three brass screws from the Gravity pendulum by Bailey
1834
Wooden bracket from the Gravity pendulum by Bailey
1834
Box type pocket sextant.
1845-1850
Prismatic compass with bubble tube and small telescope, 1840-1863
1832-1840
Prismatic compass, 1851-1856
1851-1856
Double sounding quintant.
1835-1845
Box of microweights for rain gauge testing. 8 missing from set of 15
after 1851
Optical opposite, British, 1840-1850
1840-1850
Heliograph by Cary, c.1830
1830
Ronalds' Photobarometrograph, 1847
1847
Ronalds' rain and vapour gauge (evaporimeter) by Adie & Son
1843
Folding Prismatic Compass, 1846-52
1846-1852
Payne type pedometer, British, 1853
1853
Marine barometer by Ernst
1855
Circular plane table, English, 1852
1852
Ordinary mercury-in-glass thermometer in glazed wood case
1830
Fortin mountain barometer in brass case
1850
Barograph by Moritz Pillischer, 1850
1850
Marine barometer by A Pastorelli
1838-1849
Spirit thermometer by Pastorelli
1849
Actinometer by Thomas Charles Robinson, 1840.
1840
Surveyor's compass (circumferentor)
1836-1856
Electrical recording mercury-in-glass weather balloon thermometer, 1843
1843
Aneroid Barometer, 1848
1848
Mountain barometer by Newman
1830-1839
Standard maximum thermometer by Negretti and Zambra
1852
Standard mercury thermometer, by Ronketti, 1846
1846
Psychrometer by John Braham, Bristol, 1828-1838
1828-1838