Specification of William Parsonsde William ParsonsMateriasSewageManuresFilters and filtrationSewerageEdiciones (1)Specification of William Parsons (1859)Great Seal Patent Office · inglésMás obras de William ParsonsScientific Papers of William Parsons, Third Earl of Rosse 1800-1867MMonster Telescopes, Erected by the Earl of Rosse, ParsonstowMonster Telescopes, Erected by the Earl of Rosse, ParsonstownSSinging for Our SupperSinging for Our Supper
MMonster Telescopes, Erected by the Earl of Rosse, ParsonstowMonster Telescopes, Erected by the Earl of Rosse, Parsonstown
