Bench unit from Jessop-Leech Photoelastic Bench (Polariscope) by Leech (Rochester) Ltd
Long (1300mm) Bench Unit
Complete Jessop-Leech Photoelastic Bench (Polariscope) by Leech (Rochester) Ltd, UK, incorporating alternative mercury-vapour and tungsten light sources, complete with power unit for the mercury-vapour system, as used in the Structural Engineering Laboratory of Imperial College, London
Long (1300mm) Bench Unit
Lens, on large mount
Condenser lens, on bench clamp/stand unit, attached at an angle, part of Jessop-Leech Photoelastic Bench (Polariscope) by Leech (Rochester) Ltd, UK, as used in the Structural Engineering Laboratory of Imperial College, London
Field lens, on bench clamp/stand unit, part of Jessop-Leech Photoelastic Bench (Polariscope) by Leech (Rochester) Ltd, UK, as used in the Structural Engineering Laboratory of Imperial College, London
Polariser and quarter plate, adjustable, on bench clamp/stand unit, part of Jessop-Leech Photoelastic Bench (Polariscope) by Leech (Rochester) Ltd, UK, as used in the Structural Engineering Laboratory of Imperial College, London
Projection lens, on bench clamp/stand unit, part of Jessop-Leech Photoelastic Bench (Polariscope) by Leech (Rochester) Ltd, UK, as used in the Structural Engineering Laboratory of Imperial College, London
Three Bowden Cable Analyser/Polariser Drives, part of Jessop-Leech Photoelastic Bench (Polariscope) by Leech (Rochester) Ltd, UK, as used in the Structural Engineering Laboratory of Imperial College, London
Three feet and three round mounts, from bench clamp/stand units, part of Jessop-Leech Photoelastic Bench (Polariscope) by Leech (Rochester) Ltd, UK, as used in the Structural Engineering Laboratory of Imperial College, London