Coba jelasin Publikasi dari William Spottiswoode dong

Elementary Theorems Relating to Determinants (London: Longman, Brown, Green, & Longman, 1851) (Alternate URL)

A tarantasse journey through eastern Russia in the autumn of 1856

Description of a Large Induction-coil The London, Edinburgh, and Dublin Philosophical Magazine, Vol. 3, No. 15, Jan 1877, p. 30