Present, 2ii members and visitors. Additions to membership since last report, 5. .The subject of the evening was presented by Mr. F~. H. Stewart assisted t . . by Mr. Max Mflhgan, the former gentleman presenting a brief outline of the history and development of picture projection. The most recent ty
Proceedings of the stated meeting, held Wednesday, April 6, 1910
- Publisher
- Elsevier Science
- Year
- 1910
- Tongue
- English
- Weight
- 60 KB
- Volume
- 169
- Category
- Article
- ISSN
- 0016-0032
No coin nor oath required. For personal study only.
โฆ Synopsis
Additions to membership, I9. Dr. J. A. Hohnes, Chief of the Technologic Branch of the United States (;eological Survey, addressed the Meeting on the subject of "The Waste of Life and Resources in the Mining Industry."
The speaker described briefly the rapid growth of mining in the United States as a fundamental part or basis of thc varied industries and commerce of the country. He called attention to important facts illustrating the waste of resources in connection with our method~ of mining and use of inaportant mineral resources: and discussed the b~ss o( life resulting from the increase of mine accidents in all parts of the country, and the mining conditions which tend to increase both the loss of life and the loss of resources.
The subject was illustrated by numerous lantern slides and specimens of mine appliances.
At the close of the address a brief discussion ensued in which Dr. Goldsmith, Dr. Chauce. the Speaker and Chairman tool< part.
On motion, duly seconded, a vote of thanks was tendered Dr. Holmes for his interesting remarks and the paper was referred to the Committee on Publications. Adjourned. R.B. OWENS. S (' C r~2 ta Fy.
ELECTIONS TO MEMBERSHIP.
At the stated meeting of the Board of Managers held Wednesday, April I3, I91o, the following gentlemen were elected to membership:
๐ SIMILAR VOLUMES
The Stated Meeting of the Institute was called to order at eight o'clock this evening by President Walton Clark. One hundred and sixty-six members and visitors were present. The minu\*es of the previous meeting were read and approved. A communication from The Board of Managers transmitted the min
Cleveland, Ohio, read a communication on " The Physical Production of Light." After a brief introductory statement of certain questions in physiological optics which determine the hght-giving properties of radiant energy the speaker discussed the laws of radiati(m and the radiating properties of me