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henry edward armstrong (1848-1937)

H. E. Armstrong and the teaching of science, 1880-1930

By W. H. Brock

Henry Edward Armstrong, 1848-1937

By John Vargas Eyre

Armstrong papers, second series

By Imperial College of Science and Technology

Henry Edward Armstrong and Charles E. Browne

By

Edward Williams Morley papers

By Edward Williams Morley