H—34

1948 NEW ZEALAND

DEPARTMENT OF SCIENTIFIC AND INDUSTRIAL RESEARCH (TWENTY-SECOND ANNUAL REPORT OF THE)

Presented to both Houses of the General Assembly by Leave

CONTENTS

PAGE Minister's Statement .. .. 3 Secretary's Report .. .. 5 Reports op Research Committees of the Council op Scientific and Industrial Research — Aeronautical Research .. .. 8 Building Research .. .. 8 Dairy Research Institute (N.Z.) .. 10 Fruit Cold Storage Research .. .. 10 Fruit Research .. .. .. 11 Hops Research .. .. .. 12 Industrial Psychology Division .. .. 12 Leather and Shoe Research .. .. 13 Manufacturers' Research Committee .. 13 New Zealand Pottery and Ceramics Research Association (Inc.) .. 14 New Zealand Woollen - mills' Research Association (Inc.) .. .. .. 15 Radio Research .. .. .. 15 Research Institute of Launderers, Drycleaners, and Dyers of New Zealand (Inc.) 16 Tobacco Research .. .. .. 16 Wheat Research Institute .. .. 16 Cawthron Institute .. .. .. 17 Research Work at Agricultural Colleges— Canterbury Agricultural College.. .. 18 Massey Agricultural College .. .. 20

PAGE Reports from Branches— Agronomy Division .. .. .. 21 Apia Observatory .. .. 22 Auckland Industrial Development Laboratories .. .. 22 Biometrics Section .. .. .. 23 Botany Division .. .. .. 23 Defence Development Section .. .. 24 Dominion Observatory .. .. 24 Dominion Laboratory .. .. 24 Dominion Physical Laboratory .. .. 27 Entomology Division .. .. .. 30 Fats Research Laboratory .. .. 30 Geological Survey .. .. .. 31 Grasslands Division .. .. 32 Information Bureau .. .. 33 Magnetic Observatory .. .. .. 33 Nuclear Physics Section .. .. 34 Plant Chemistry Laboratory .. .. 34 Plant Diseases Division .. .. 35 Soil Bureau .. .. .. .. 36 Wild-life Research .. .. .. 37 Commonwealth Agricultural Bureaux .. 37 Scientific Liaison Services .. .. 37 Scientific Man-power Committee .. 38