| Description | For printing: 100 cards to admit (26 April); experiments on electra spectra, by Prof. [John] Tyndall, 12 copies (3 May); Peters's machine for microscopic writing &c., with alterations, 50 copies and 2 copies on cards (3 May); refreshments in the Lower Library, 2 slips, 25 copies each (28 May); double crown broadside, with alterations, 24 copies (31 May) [for the Royal Society conversaziones]. Total £2.2s.0d., signed as received by William Askham on behalf of Taylor & Francis. |