Weekly journal-miner., 1911-09-13
INTERESTING DATA 0F
 ARIZONA INDUSTRIES

"'aeh'ne'shop products; gas. illumin. ating and beating; liquors. malt; and marble stone work.
 Persons Engaged in Industry
 of the persons engaged in all mann. f"turing industries, 5.9 per cent were officials 4.6 per cent clerks. and s''4 per cent wage earners.
 Of the clerks, s9.5 per cent were male and lo.5 per cent were female. UT the wage earncrs, 99A per cent were male and J.6 per cent female; s''' per cent were l6 years or over and but 0.6 per cent under Is years. The largest number of women and children are employed in printing and publishing. The average number of wage esrners in that industry was 24l males and l4 females Is years of age and over. and l3 males under that age. In all industries combined the total number of female wage earners was 3s, and the total nun. ber of wage earners nuder l6 years of age was 37.
 Prevailing Hours of Labor
 For the great majority of wage carners employed in the manufactur- ing industries of Arizona the pre-. vailing hours of labor range from 5i to 60 week or from Q to 10 hours day only lo.5 per cent of the total being employed in estab. lishments working more than 10 hours a day. This condition is due chiefly to the fact that 4,709 or 73.l per cent of the total average number of wage earners and ssl per cent of those employed from 54 to 60 hours, were reported by three industries ears and general shop construction and repairs by steam railroad com panies. lumber and timber products, and smelling and refining copper.
 Character of Ownership
 For all industries combined, 39.s per cent of the total number of es tabli ishments had in 1909 a corporate form of Organization, as compared with eos per cent for all other forms. The corresponding figures for 1904 were i2 per cent and os per cent. respectively. Five years is too short period to reveal any pro nounced change in character of own ership. For all industries combined as measured by value of products and value added by manufacture corporations lost ground relatively, a' compared with individuals, firms, and other forms of ownership.
 Concentration in Large Establish
 Ments.
 The tendency for manufacturing tc hecome concentrated in large estab lisbments. or the reverse, is a matter of interest from the standpoint oi individual organization. In some re spects. and especially from the stand noint of conditions under which per sons engaged in manufactures work the hest classification of establish ments to bring out the feature o' size is a classification according t' the average number of wage earner employed. Accordingly, 1t is showi that BOA per cent of the establish ments employed either no wage earn CTS or under 2r persons each. Th' mos. numerous single group consist of 2Oe establishments employing un der wage esrners, the next sroul having 43 establishments cmpioy'n' from to 20 wage earners. Ther were s establishments that employee over 25O wage earners, and 7 em ployed over 5oo'
 Of the total number of wage earn CTS. 57 per cent were in establish ments employing over 25o wage earn CTS. The single group having th largest number was the one employ ing from 25i to 800 wage earner' This group employed 2,i23 or SS pc cent of the total. Two of the indl yidual industries, namely, "Cars an general shop construction and repair by steam railroad companies' an Smelling and refining copper are industries in which large estai li,hments do most of the business
 Power and Fud
 The increase in primary powe from 1904 to 1909 was in power ger erated by steam engines, both wate power and power generated by ga engines showing a decrease. How ever, a slight increase in the numbe of gas engines is shown, there bein sl such engines in 1909, as compare with es in 1904, although the tots