Platinum rhodium thermocouple with one fireclay sheath, by Cambridge Instrument Company Limited, London, England, 1925-29. Platinum Rhodium Thermocouple, 1925-29 1925-1929
Glass tube of rhodium - tin alloy prepared by the discoverer Dr. William Hyde Wollaston about 1825 Specimen of Rhodium Alloy in roughly triangular pieces 1822-1825
Button of steel with 48.8% rhodium, by Michael Faraday, 1820-1824 Button of steel with 48.8% rhodium 1820-1824
Button with 1.25% rhodium, by Michael Faraday, 1820-1824 Button with 1.25% rhodium, by Michael Faraday 1820-1824
Slice of rhodium alloy prepared by W.H. Wollaston, c. 1822-1825. Slice of rhodium alloy prepared by W.H. Wollaston