Wednesday, October 31, 2012

3 November Knowledge History - Science, Engineering and Management

1863, the first U.S. patent for an antifouling paint for ships' hulls was issued to J.G. Tarr and A.H. Wonson (No. 40515) for a copper oxide, tar and naptha mixture.

1863, the first U.S. yeast preparation patent was issued to J.T. Alden of Cincinnati, Ohio (No. 40,451), for "an improvement in the preparation of yeast" which reduced concentrated yeast from a plastic or semi-fluid state to a dry granular form, a convenient way of preservation for future use.

1892, the first automatic telephone exchange, using the switching device invented by Almon B. Strowger,  opened to the public in LaPorte, Indiana.

Knowledge History of the Day - Index for the Year

Management Theory Review Blog
Management Knowledge Center
Engineering and Technology Knowledge Center
Science Knowledge Center
Social Science Knowledge Center

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