Table of contents
May 22, 1869, Volume 20 No 21 pp321-334
About the coverBusiness and Personal
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Formation and Phenomena of Clouds - p323
J. Tyndall, L.L.D., F.R.S.
doi:10.1038/scientificamerican05221869-323
Statistics of the Production of Iron - pp323 - 325
Peter Tunner
doi:10.1038/scientificamerican05221869-323a
Harris' Improved Patent Shutter and Blind Opener and Fastener - p325
doi:10.1038/scientificamerican05221869-325
Rowe's Mode of Fastening Cards to Cylinders - p325
doi:10.1038/scientificamerican05221869-325a
The Preparation of Cotton Ware for Dyeing and Printing - p326
M. Reimann
doi:10.1038/scientificamerican05221869-326
Discussion of Purely Speculative Topics—To Correspondents - p329
doi:10.1038/scientificamerican05221869-329
Decision of the Commissioner of Patents on Design Applications - p331
doi:10.1038/scientificamerican05221869-331
Manufacturing, Mining, and Railroad Items - p331
doi:10.1038/scientificamerican05221869-331a
Applications for the Extension of Patents - p332
doi:10.1038/scientificamerican05221869-332b