A.C. liquid metal pumps for laboratory use /
Watt, D.,author.
Atomic Energy Research Establishment (Harwell, England),issuing body.
Great Britain.Her Majesty's Stationery Office.
"March 19, 1953, revised Jan. 24, 1956".
Revised edition of A.E.R.E. CE/R 1089.
Sold but not published by H.M. Stationery Office.