Fuller's spiral slide rule, no. 849, made by W.F. Stanley, with an instruction booklet George Fuller's spiral cylindrical slide rule Mathematics c. 1880

Complete set of cardboard models of second order surfaces in original packing by L. Brill of Darnstadt Mathematics c.1900

Combined eidograph and geometric drawing instrument patented 1858 by William Wythes and made by Queen & Co. Mathematics 1858-1880

Ready-reckoner nomogram card for steam pressures. Probably used for work with steam turbines by Frank Harris Mathematics 1931-1989