Wooden box with grey metal top and 6 adjustable plugs . Company logo on top, ' TYPE 2004 / NON-INDUCTIVE RATIO BOX / Ohms at 20 C. No. 82.034 ' Plugs: 900 Ohms x2, 90 Ohms x2, 10 Ohms x2.
Glass plates forming prism sides can be adjusted independently from vertical to 50 on scale calibrated in divisions of 1 degree. Feet adjustable. Prism mounted above spillage tray (approx 170 mm diameter) on tripod base.
a glass spiral differential pressure gauge or manometer. Pyrex glass, mirror surface platinised Pyrex glass. Springham logo with 'Magnum in Vacuo'. In cardboard box marked Prof Taylor 8/8/66