Memoirs of the life of David Rittenhouse, LLD. F.R.S., late president of the American Philosophical Society, &c. : $b interspersed with various notices of many distinguished men : with an appendix, containing sundry philosophical and other papers, most of which have not hitherto been publishedBarton, William
History
Memoirs of the life of David Rittenhouse, LLD. F.R.S., late president of the American Philosophical Society, &c. : $b interspersed with various notices of many distinguished men : with an appendix, containing sundry philosophical and other papers, most of which have not hitherto been published
added to such private ones as might be procured in the city, together
with fitting up the instruments belonging to the honourable the
Proprietaries of the province—viz. the equal Altitude and Transit
Instruments and the large astronomical Sector,—nothing would be wanted
for the city Observatory in the State-House Square, but a good
Time-piece, which was easily to be procured. We remained, however, still
at a loss, how to furnish the Norriton Observatory:[114] But even this
difficulty gradually vanished.”
-----
Footnote 112:
On an address of the Philosophical Society to the general assembly,
dated the 15th of October, 1768, the latter “Resolved, That a sum, not
exceeding one hundred pounds sterling, be provided and appropriated
for purchasing a reflecting telescope with a micrometer, for the
purpose mentioned in the said address” (observing the Transit of
Venus, then near at hand,) “and, afterwards, for the use of the house;
and that the speaker do write to Benjamin Franklin, Esq. in London, to
purchase the same.”
Footnote 113:
On a similar address of the Philosophical Society, dated the 7th of
February, 1769, the assembly granted them one hundred pounds, “to be
laid out towards defraying the expenses necessary for observing the
(then) ensuing Transit of Venus.” This grant was made on the 11th of
February, 1769.
But the sum then granted proving very inadequate to the object, the
society petitioned the assembly on the 11th of February, 1773;
stating, that the erecting the different observatories, fitting up
instruments, engraving various plates, and publishing the different
transit papers alone, cost the society near 400_l._ and praying
assistance to discharge that debt.
Footnote 114:
Mr. Lalande, in the preface to his _Astronomie_ (3d edit. 1792,)
mentions, that he did not then know of any other observatory in
America than that of Mr. Rittenhouse.
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Thus it appears, that while the public contributions, and such
astronomical instruments suitable for the occasion as were the
public property, were principally at the disposal of the
Philadelphia committee, the Observatory at Norriton—which seems to
have been considered as a private establishment, belonging to an
individual,—depended almost entirely on other resources. Even an
excellent reflecting telescope (though without a micrometer,) the
property of the Library Company of Philadelphia, and to which
institution it was a donation from the Hon. T. Penn,—the same that
had been used by Messrs. Macon and Dixon, when employed in settling
the boundary lines of Pennsylvania and Maryland—was necessarily
appropriated to the use of Mr. Owen Biddle, who was appointed by the
Society to conduct the Observation of the Transit, near Cape
Henlopen.
Public-domain text, read in full here on John Shaqi.
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