Note BB — Samuel MacClintock, Ph. D. (continued 8)
Reading edition
This summary includes only active establishments for 1880, 1890, and 1900; such establishments were not reported separately in 1870. The 669 establishments in 1900 and the 606 establishments in 1905 include in each case 1 penal institution, the figures for which are not included in Parts I and II of the Report on Manufactures.