H—34

1946 NEW ZEALAND

DEPARTMENT OF SCIENTIFIC AND INDUSTRIAL RESEARCH (TWENTIETH ANNUAL REPORT OF THE)

Presented to both Houses of the General Assembly by Leave

CONTENTS

Page Minister's Statement .. .. .. 2 Secretary's Report .. .. 4 Reports of Research Committees of the Council of Scientific and Industrial Research — Building Research .. .. .. 8 Dairy Research Institute .. .. 10 Food Research .. . . 17 Fruit Gold Storage Research .. .. 17 Fruit Research .. . . .. 20 Industrial Psychology Division .. 26 Leather and Shoe Research . . 31 Manufacturer's Research Committee . . 34 New Zealand Woollen Mills' Research Association (Inc.) .. .. .. 38 Plant Chemistry Laboratory .. .. 37 Plant Research Bureau .. 38 Tobacco Research .. .. 54 Wheat Research Institute .. 60

Page Cawthron Institute .. .. .. 61 Research Work at Agricultu ral Colleges— Canterbury Agricultural College .. 67 Massey Agricultural College .. .. 72 Dominion Laboratory .. .. 77 Dominion Observatory .. .. 90 Dominion Physical Laboratory .. 91 Auckland Industrial Development Laboratories .. .. .. 98 Geological Survey .. .. .. 101 Soil Bureau .. .. .. 103 Magnetic Observatory .. .. 107 Meteorological Branch .. .. 108 Imperial Agricultural Bureaux .. 108 Overseas Liaison .. .. .. 109 Information Section .. .. .. 109