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Date

Ferranti heat exchanger

Electrolux Refrigeration Unit, 1953

1953

Aircraft equipment and "heat pipe"

Heat exchanger, shell and tube design

'Hymatic' Miniature Gas Liquefier, 1966

1966

Model of Frankl Regenerator Packing for Heat Exchanger, 1950

1950

Ferranti heat exchanger unit

Seligman's plate heat exchanger (first commercially available type, 1923) with 6 plates

Seligman's plate heat exchanger

Partially cutaway model of a gas-bearing cryogenic turbo expander, and a complete miniature rotor for the turbine, by The British Oxygen Company Limited, England, 1974.

Cryogenic Expansion Turbine from Gas Liquefier, 1974

1974
Early Collins type expansion engine used in helium liquefiers, by The British Oxygen Company Limited, England, 1970-75.

Collins' Expansion Engine from Helium Liquefier, 1970-75

1970-1975
Heat Exchanger with controls and blood pumps for "The Westminster Profound Hypothermia Unit" for cardiac surgery, developed by Charles Drew at Westminster Hospital, c.1960.

Heat Exchanger for The Westminster Profound Hypothermia Unit, 1960s.

1959-1961
A.P.V. "Junior Paraflow" plate heat exchanger, size 1a, free standing (1972)

A.P.V. "Junior Paraflow" plate heat exchanger

1972