Sectioned models showing aspects of the gas centrifuge developed to enrich uranium hexafluoride, 1982. 1982
Pink Poppit beads, large beads, made by Chelton Ltd (formerly Chelton Electrostatics), c.1954. Pink Poppit beads 1953-1960
Red Poppit beads, small beads, made by Chelton Ltd (formerly Chelton Electrostatics), c.1954. Red Poppit beads 1953-1960
Pearlised green Poppit beads, small beads, made by Chelton Ltd (formerly Chelton Electrostatics), c.1954. Pearlised green Poppit beads 1953-1960
Two flow inducer blood-heparin pumps for use with dialysis machine, Type MHRE88H, by Watson-Marlow Limited, Marlow, Buckinghamshire, England, 1970 Two flow inducer blood-heparin pumps for use with dialysis machine 1970
Flow inducer blood-heparin pump, one of two, for use with dialysis machine, Type MHRE88H, by Watson-Marlow Limited, Marlow, Buckinghamshire, England, 1970 Flow inducer blood-heparin pump 1970