Includes: Letter from J.A. Fleming about the possibility of nominating Marconi for the Nobel Prize, 1901 Presentation copy of 'La Telegrafia sin Hilos explicada por su descubridor Guillermo Marconi', in illuminated vellum cover, 1904 Correspondence and papers relating to the award of the Nobel Prize for Physics, 1909 Correspondence with Thor Thörnblad,…