Mark II Fairweather Gas Recording Calorimeter No. 88, made by Scientific & Projections Limited, Footscray, Kent. Contains Calorimeter No. 4258 made by Scientific & Projections Ltd, Kidbrook Park Road, London, SE3. Mark II Fairweather Gas Recording Calorimeter No. 88
Mark IV Fairweather Recording Calorimeter, made by Scientific & Projections Ltd, Sidcup, Kent. Contains a Hyde-Saville Calorimeter designed by the Ministry of Power, patent No. 837691 Mark IV Fairweather Recording Calorimeter
1/12 cu. ft Boys Bell gas meter, number 312, made by Scientific and Projections Ltd. 1/12 cu. ft Boys Bell gas meter
