Receipted bills, accounts and correspondence concerning supply and repair of laboratory fittings and apparatus, 1846-79, including: bills from Watkins and Hill, Horne, Thornthwaite and Wood, Pixii Pere et Fils for galvanometers and other electrical equipment, 1846-50; letter from H. Ruhmkorff referring to purchase of electro-magnetic instrument, 1851; descriptive lsit of apparatus in natural philosophy classroom, 1849-50; detailed accounts for apparatus supplied by James White for Atlantic Cable, 1858-59. Details of the finances of the Australian estates of Robert Thomson, [c. 1856].