No. 19 in **E,220a.32 —No. 19 in *6357.20.5 Boston, Mass. Water commissioners. No. 6 in *4404,52 Report of the water commissioners on the material best adapted for distribution water pipes; and on the most economical mode of introducing water into private houses, Submitted to the City council, August 14, 1848, Boston: 1848. J. H, Eastburn, city pr. 67 pp. 8°, Pages 23=67, comprising mostly the reports of Eben N. Horsford, are missing in No. 19 in
**E 2200.52.