Brashear, John Alfred

(brəshēr`), 1840–1920, American maker of scientific instruments and educator, b. Brownsville, Pa. A mechanic by trade, he taught himself the art of making lenses and mirrors for telescopes. Aided by the encouragement of Samuel P. LangleyLangley, Samuel Pierpont,
1834–1906, American scientist, b. Roxbury, Mass., received only a high school education but continued his studies in science in Boston libraries. He became, in 1866, professor of physics at the Western Univ. of Pennsylvania (now the Univ.
..... Click the link for more information. , he perfected his techniques. From 1880 he devoted himself to the business of making astronomical instruments and became noted in the field. Active also in many civic and educational projects, he contributed to the growth of the Allegheny Observatory of the Univ. of Pittsburgh and served as trustee and chancellor (1902–4) of the university.

Bibliography

See his autobiography (1924); biography by H. L. Gaul and R. Eiseman (1940).

Brashear, John Alfred

(1840–1920) astronomical instrument-maker; born in Brownsville, Pa. A Pittsburgh steel mill mechanic by day, by night he was an amateur telescope maker. Because astronomy was beginning to attract large donations from philanthropists, in 1881 he was able to start the John A. Brashear Company, builders of astrophysical research instruments. He built George Ellery Hale's first spectroheliograph. The company was bought in 1926 by J. W. Fecker of Cleveland.

单词	brashear, john alfred
释义	Brashear, John Alfred Brashear, John Alfred (brəshēr`), 1840–1920, American maker of scientific instruments and educator, b. Brownsville, Pa. A mechanic by trade, he taught himself the art of making lenses and mirrors for telescopes. Aided by the encouragement of Samuel P. LangleyLangley, Samuel Pierpont, 1834–1906, American scientist, b. Roxbury, Mass., received only a high school education but continued his studies in science in Boston libraries. He became, in 1866, professor of physics at the Western Univ. of Pennsylvania (now the Univ. ..... Click the link for more information. , he perfected his techniques. From 1880 he devoted himself to the business of making astronomical instruments and became noted in the field. Active also in many civic and educational projects, he contributed to the growth of the Allegheny Observatory of the Univ. of Pittsburgh and served as trustee and chancellor (1902–4) of the university. Bibliography See his autobiography (1924); biography by H. L. Gaul and R. Eiseman (1940). Brashear, John Alfred (1840–1920) astronomical instrument-maker; born in Brownsville, Pa. A Pittsburgh steel mill mechanic by day, by night he was an amateur telescope maker. Because astronomy was beginning to attract large donations from philanthropists, in 1881 he was able to start the John A. Brashear Company, builders of astrophysical research instruments. He built George Ellery Hale's first spectroheliograph. The company was bought in 1926 by J. W. Fecker of Cleveland.
随便看	elope with her elope with him elope with me elope with one elope with (someone) elope with them elope with us elope with you elopid elopidae elopiform elopiformes eloping elops elops saurus eloptint eloquence eloquence command interface eloquence or oratory eloquences eloquent eloquent brain eloquently eloquentness eloquent silence