Turing, John2009-07-282009-07-282009-07-28http://hdl.handle.net/10222/12032One letter, three pages.One letter to James Dinwiddie from John Turing dated Jan 4, 1799.enCalcutta1799John TuringMachineApparatusTelescopeJames DinwiddieMicroscopeAndersonLord CliveKindersleyWoolwich founderyElectricalText