Value added
by manufac-
ture.
CONDITIONS OF MANUFACTURES IN THE UNITED STATES AT EACH CENSUS: 1849-1909 (CONTINENTAL UNITED STATES ONLY.)
VARIATION OF WAGE EARNERS EMPLOYED BY MONTHS.
Among the principal industries of the United States several show a great variation in the number of wage earners employed at various times
of the year. The brick and tile industries employ an average of 76,528 wage earners during the year, the maximum number, 104,930, being
employed in July, and the minimum number, 38,312, in January; the canning and preserving industries employ an average of 59,968 men,
154,800 being the maximum number in September, and 19,998 the minimum in January; the fertilizers employ an average of 18,310 men,
the maximum number, 29,310, being reached in March, and the minimum number, 14,264, in July; oil, cottonseed, and cake industries
employ an average of 17,071 men, the maximum number, 29,334 being reached in November, and the minimum, 5,174, in July; in the ice
manufactories the average number of men employed was 16,114, the maximum number, 22,872, being reached in July, and the minimum,
9,847, in January; the artificial stone industries employed an average of 9,957 men, the maximum number, 12,884, being reached in August,
and the minimum number, 4,856, in January; the straw and hats industries employed an average of 8,814 men, the maximum number of
men employed being reached in March, when they employed 11,488 men, and the minimum number, 4,700, in July; in the sugar beet indus-
tries the average number of men employed was 7.209, the maximum number of employees, 16,807, being reached in November, and the
minimum number, 2,206, in February; in the sugar and molasses industries the average number of employees was 4,127, the maximum num-
ber, 15,761, being reached in November, and the minimum, 559, in February; the vinegar and cider industries employed an average of 1,542
men, the maximum number, 3,464, being reached in October, and the minimum number, 886, being reached in March.