2 matching record(s)
MS Gunther 47Nelson, E. M.
"Powell's Iron Microscope"
offprint from the Journal of the Royal Microscopical Society, 1899, pp. 209-214.
[Unknown]
1899
MS Museum 61Nelson, E. M.
"Powell's Iron Microscope"
uncut single-sheet ?offprint or proof [from the Journal of the Royal Microscopical Society, 1899, pp. 209-214]. 2 copies, the other one is filed in file E - oversize.
[Unknown]
1899