Short (540mm) Bench Unit
Short (540mm) Bench Unit
Component parts for Jessop-Leech Photoelastic Bench (Polariscope) by Leech (Rochester) Ltd, UK, as used in the Structural Engineering Laboratory of Imperial College, London
Short (540mm) Bench Unit
Double Lamp Housing Assembly on Base Plate, Mercury-vapour lamp assembly complete, tungsten filament fitting missing
Tray of small parts and tools mainly associated with the handling of models for photoelasticity investigations
Tray
Metal rod
Tray of small parts and tools mainly associated with the handling of models for photoelasticity investigations
One Field Lens in cast housing
One Condenser Lens in sheet steel housing
One Projection Lens, marked 18"
One Lamp House Lens, without iris unit
One Plane Glass Screen in Tilting Frame