Abrasive action, investigation of, 33
Absorbing capacity of slag wool, 54
Accumulators, research upon, 71
Acoustic experiments, 62, 64

Acoustical energy, degradation of, 64
Adhesion, nature of, 80

Adhesives Research Committee, 8, 80,
94

Administration, cost of, 14

Admiralty, Compass Observatory, 77,
79

Direction-Finding Station, 78
Advisory Council,

assessors to, 16

list of members of, 15
meetings held, 17

retirements and re-appointments, 1
work and policy of, 1, 2
Aerodynamics Department, National
Physical Laboratory, 45
Aerofoil, flow round, 45

Aeronautical Research Committee, 45,
72, 82

Aeronautical researches, 41

Aeroplanes, stability and control of, 41,
45

After-careers of students-in-training,
36, 97

Age-hardening, phenomena of, 71
Agriculture and Fisheries, Ministry of,
24

Agriculture, Tropical, Imperial College
of, 117

Aided researches, 14, 33, 97
Air Ministry, 45, 66

Air Pollution Advisory Board, Man-
chester, 49

Air reverberations, investigation of, 64
Air screws, research on, 45
Alcohol from molasses, 50
Alcohol, power, 50

Aliphatic acids, higher, synthesis of,

79

81, 97

fermentation of, 50

Cellulosic materials, hydrolysis of, 50
Cements, work on, 60

Chains, annealing and normalising of,
73

and hooks, investigation on, 44
Charcoal producer, development of, 49
Chemical Laboratory, erection of, 30
Chemical and physical survey of coal
resources, 4, 25, 26, 46, 93
Chemistry, of beech-wood, 59
of canned foods, 55

Colloid, report on, 7, 97
of forest products, 59

students specialising in, 35

Chemistry Research Board, 30, 33, 67,

87

65

Economic firing of kilns, 62

Education Board, International, 38

'Effective expenditure" of research
associations, 22

Eggs, freezing of, 28

Elastic constants, work on, 73
Elasticity, investigations on, 44
of materials, 65

of "Spun" concrete, modulus of, 61
Electric intensity, measurement of, 75
Electrical and Allied Industries Re-
search Association, 41, 43

Electrical circuits, earthing of, 43
conductivity of timbers, research on,
59

power, transmission of, 41
standards, maintenance of, 40
Electricity Commissioners, 41
Electricity Department, National Phy-
sical Laboratory, 42
Electro-deposition of metals, 71
Electro-technical Laboratory, Tokyo,

37

Emission, heat, from radiators, 34
Empire Cotton Growing Corporation,
116
End-gauges, 43

Engineering Committee, Food Investi-
gation Board, 54, 90

Engineering Department, National
Physical Laboratory, 44

of structures in sea water, 33, 97
Detonation in combustion engines, 44
Detonation of explosive mixtures of
gases, 73

Development,

of fuel research, 25
grant-in-aid, 14

Die casting, experiments on, 44, 74
Diffraction gratings, 43

Diffusion, of carbon dioxide, 54
moisture, research on, 58
Direction-finding, by reception, 78
work on, 43

Direction-Finding Station, Admiralty,
78.

Directional, observations on ships at
sea, 78

transmission from rotating loops, 79
Wireless Committee, 89
Director of Building Research, 6
Disinfection by formaldehyde, 68
Domestic heating, 49, 97

Dominions, overseas, research in, 109
Dry rot, enquiries on, 60

Duplex tunnel, experiments in, 45
Duralumin, cylinders of, 84

properties of, 71
Dyes for uniforms, 83

Engineering Standards Association,
British, 49, 62

Equipment, grants for, 36, 96

Equivalent decrement," measurement

of, 76

Esters, organic, 37

Estimates, Departmental, 1

increase of, 17

Etching iron, method of, 65
Exhaustion of metal vessels, 79
Exhibition, British Empire, 8, 42, 51,
57, 63

Exhibits, museum, cleaning of, 32
Expansion of metals at high tempera-
tures, 42

Expedition to Australia, 10, 28, 51
Expenditure on administration, 14
Experimental work on seaplane design,
41

Expiration of quinquennial periods
of research associations, 17
Explosion, Oppau, 69

Explosive mixtures of gases, detona-
tion of, 73

Explosives, high, sensitivity of, 71
Exporting industries, research in, 21
Exposure of fabrics, 83
Extractives Committee, 92

Fabrics, deterioration of, 82
exposure of, 83

Research Committee, 82, 87
strength-testing of, 84

Factory lighting, investigation of, 85
Fading of signals, observations on, 76

Fat in yeast cells, deposition of, 55
Fatigue of materials, 44, 72

Fatty acids, X-ray investigation of,
37

Federated Superannuation System for
Universities, 14

Fermentation of cellulose, 50

Ferro-concrete structures, deflection
under load of, 61

Gelatin, investigations on, 8, 80

Gels of gelatin and water, freezing of,
53

Geological exhibits, 57

Geological Museum, 5, 28, 55

Geological Survey Board, 5, 28, 93
Geological Survey, 8, 46, 49

Glass Research Association, 25, 41, 44
Glass, work on, 44

44, 97

materials at high temperatures, 72
Field work, Geological Survey, 55
Fire, coal, domestic, 49

Fire-proofing agents, action of, 82
Fire-resisting cement, 61

Fish, gelatin and glue from, 80
Fish-glue, patent for, 80
Fish oils, research on, 70

Fish Preservation Committee, 53, 90
Fishing nets, deterioration of, 83
Fluid friction, researches on, 44
Fluid motion, general theory of, 45
Flying boat hulls, experiments on,

45

Food Investigation Board, 8, 13, 28, 51,
90

Foodstuffs research association, 25
Forest products, chemistry of, 59
utilisation of, 60

Forest Products Research Board, 29,
57, 91

Forestry Institute, 60

Formaldehyde, disinfection by, 68
function of, 67

Foundational research, 19

Freezing, effect of, upon autolysis, 53
of eggs and meat, 28, 53

of gels of gelatine and water, 53
of tissues, theory of the, 53
Frequency, radio, measurement of, 42
resistance, high, measurement of, 76
Friction, research on, 44, 85
Froude Tank, work of, 45, 97
Fund, 14, 41, 45

Fruit storage trials, 54

Fruit and Vegetables Committee, 54, 91
Fuel Research, Assistant Director of,
25

92

Fuel research, development of, 4, 25
Fuel research exhibit, 51
Fuel Research Station, 2, 25
Fungal infection, physiology of, 54
Fungicides, research on, 59

Gas cylinders, materials for, 44

Gas Cylinders Research Committee, 84,
95

Gas-firing of kilns, 62

Gas Regulation Act, 28

58

Hydrogenation of oils and coals, 49
Hydrolysis of cellulosic materials, 50
Hysteresis of iron, experiments on, 65

Identification and Structure Com-
mittee, 92

Illumination Commission, Interna-
tional, 40

Illumination Research Committee, 31,

85,95

of, 44

Imperial College of Tropical Agricul-

ture, 117

Imperial Economic Conference, 9

Imperial Institute, 10

Imperial Trust, 13, 97