Making piping design models / [photographed by] ICI Divisions (Dyestuffs, Alkali, Heavy Organic Chemicals, Billingham), Mack of Manchester, and others, 1955-1967. Photographs: 1col, xxx b&w, 10x8 ins or smaller. Mixed batch, mainly publicity reference photos. Including some workshops scenes and men working on chemical plant models. One of mimic of Concorde fatigue test rig at RAE Farnborough. Models depicted, largely made by Industrial Models Ltd., Manchester, 'pioneers of design model technique' . - With some related trade literature for Meda Biddle Ltd, Bury, Lancashire, makers of models for heavy chemical and petrochemical projects