Planting and manufacturing of indigo: Press house
1877
Planting and manufacturing of indigo: Beating by Machinery
1877
photograph, Microscopes
1876
"the Obelisk"
1880
Planting and manufacturing of indigo: Tumnie (turning up lands)
1877
Planting and manufacturing of indigo: Luggie (measuring lands for cultivation)
1877
Planting and manufacturing of indigo: Planter's Bungalow
1877
metal cover for Remington No.1 typewriter
1876
Boxwood fathom marker
1876
Boxwood fathom marker
1876
Electric time piece with hands but without dial
1872
Tourmaline pincers in brass mounts
1872
Crookes' Radiometer, 1872-1879
1872-1879
Crookes' Radiometer, 1872-1879
1872-1879
Copper Cube and Condensing Syringe Apparatus, 1872
1872
Crookes' Radiometer, 1872-1879
1872-1879
Crookes' Radiometer, 1877
1877
Minimum Alcohol Thermometer by Pastorelli & Co., 1875
1875
Six's Self-Registering Maximum and Minimum Mercury Thermometer by Pastorelli & Co., 1875
1875
Portable Six's maximum and minimum self-registering thermometer
1875
Crookes' Radiometer, 1872-1879
1872-1879
Crookes' Radiometer, 1872-1879
1872-1879
Physiological Mercury Thermometer, 1876
1876
Physiological Mercury Thermometer, 1876
1876
Physiological Mercury Thermometer, 1876
1876
Tasimeter, improved form
1878
Ear Mercury Thermometer, 1876
1876
Copy of Musschenbroek's Pyrometer (Dilatometer), 1700-1731.
1877 (copy); 1700-1731 (original)
Pulse Glass by J. J. Griffin and Sons, 1880
1880
Maximum Mercury and Minimum Alcohol Thermometer by J.J. Griffin & Sons, 1880
1880
Combination of 3 prisms to show achromatism
1872
Bagot's patent thermometer,1880
1880
McLeod's vacuum gauge (imperfect)
1880
Crookes' Radiometer, 1877
1877
Electrophorus
1872
Astatic galvanometer by Elliott Brothers, 1872.
1872
Rotating spark
1872
Sectioned induction coil
1874
Dipping needle with arc
1872
Helmholtz's quadrant electrometer
1876
Burette with glass stopcock, graduated to 30 cc.
1876
Electro-magnet in mahogany box
1876
Instrument for electrifying syphon recorder ink bottles
1876
Sector type shutter
1879
Bichromate battery
1876
Four-coil Thomson astatic galvanometer
1880
Copy of Amperes commutator
1877
Copy of Justus von Liebig's Death Mask, 1873
1873 (original); 1990 (copy)
Moving-magnet galvanometer
1880
Chislett's conical electro-magnetic machine, 1873
1880