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Doc. 203.] 593
SCHENMARK TO SWEDENBORG .
99
Western Longitude,” with the copy of a letter* addressed
to the Royal Academy of Sciences here in Stockholm. You
will please hand the printed document together with the
copy of the letter to the Professor of Astronomy in your uni
versity. † I would have addressed the documents directly
to him , but I do not know his name, wherefore I send them
to you that you may hand them to him.
I remain, in faithful friendship, most honoured and dear
brother,
Your most obedient servant,
EMAN . SWEDENBORG .
Stockholm, September 16, 1766.
C.
LETTER OF PROFESSOR NILS SCHENMARK" TO EMANUEL SWEDENBORG.I
Well-born Assessor,
I had the honour to receive from Professor
Doctor Benzelius your Methodus nova inveniendi longitudines
locorum terra marique per Lunam , and he desired that I
should express my thoughts to you on the subject.
I have had an opportunity of becoming acquainted some
what with your learned works, and they have awakened in
me a respect for their author. I therefore consider it my
duty on so important a subject as the determination of the
longitude to communicate to you, at your request, the ex
ceptions I take to it. I hope you will not take it amiss, if
I express to you the difficulties which, upon reading your
method, have presented themselves to my mind.
The method of finding the longitude of places by means
of the moon consists principally in finding for a given time
and place the apparent, and afterwards the true, position of
the moon. As soon as I know the true position of the moon
* A copy of the preceding letter, our Document 203, A.
† Professor Nils Schenmark,149 who acknowledged the receipt of the
documents in the following letter.
| This letter is preserved among the Swedenborg MSS. in the Library
of the Academy of Sciences in Stockholm .
38
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