180 



National Resources Planning Board 



organizations. Moreover, the technology of certain 

 industries requires the services of liiglily specialized 

 control and development personnel, and these are fre- 

 quently reported as engaged in research. 



" St« footnote 1 1 for dennltlon. 



» Since the research-flnandal relationsbips of commercial laboratories and trade 

 associations differ so markedly from those of Industry In general, these organliatlons 

 have been excluded (rom figures SI to S3. 



The relative numbers of corporate units " " utihzing 

 research are shown in figure 51, grouped according to 

 "financial size," i. e. tangible net worth." 



'■ Tangible net worth ratings were derived from balance sheet data given lo 

 Moody's Industrials (1939). The rating equals net worth (reserves excluded) less 

 Intangible assets (patents, goodwill, etc.). lo most cases Involving subsidiary com- 

 panies, the consolidated balance sheet for the parent company was used, considering 

 this to represent the floanclal strength of a management which malotaioed resrarcb 



RESEARCH PERSONNEL: I927an<j 1938 

 1000 20.00 3Q00 40,00 



5000 



FOOD AND KINDRED PRODUCTS 

 TEXTILES AND THEIR PRODUCTS 

 FOREST PRODUCTS 



PAPER AND ALLIED PRODUCTS 

 CHEMICALS AND ALLIED PRODUCTS 



PETROLEUM AND ITS MANUFACTURES 



RUBBER PRODUCTS 



LEATHER AND ITS MANUFACTURES 



STONE, CLAY.AND GLASS PRODUCTS 



IRON AND STEEL AND THEIR PRODUCTS 

 EXCLUDING MACHINERY 



NONFERROUS METALS AND THEIR 

 PRODUCTS 



AGRICULTURAL IMPLEMENTS 

 INCLUDING TRACTORS 



ELECTRICAL MACHINERY.APPARATUS 

 AND SUPPLIES 



RADIO APPARATUS AND PHONOGRAPHS 

 ALL OTHER MACHINERY 



MOTOR VEHICLES, BODIES.AND PARTS 



ALL OTHER TRANSPORTATION 

 EQUIPMENT 



ELECTRICAL COMMUNICATION 



UTILITIES GAS, LIGHT, AND POWER 



CONSULTING AND TESTING 

 LABORATORIES 



TRADE ASSOCIATIONS 

 MISCELLANEOUS 



2000 



3000 



4000 



5000 



FiacRE 49. — Research Employment in Various Industries: 1927 anil 1938 The upper bar of each pair refers to 1927; the lower 



bar to 1 938 



