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+ | <head></head>Royal Observatory, Greenwich<lb/><lb/>1856 September 10<lb/> | ||
+ | My dear Sir<lb/> | ||
+ | <span class="abbreviation" style="text-decoration: underline dotted" title="Regarding"></span>Re the other leaf, I place a<lb/> | ||
+ | copy of the paper which was inserted in the Box<lb/> | ||
+ | containing the copies of the British Standards.<lb/> | ||
+ | I believe that you received my letter of April 12,<lb/> | ||
+ | containing some farther particulars relating to the<lb/> | ||
+ | Standard of Weight.<lb/> | ||
+ | In the meteorological papers, the term “Umidità”<lb/> | ||
+ | is used as a quantity expressible by a number,<lb/> | ||
+ | but it is not explained. Does it mean “the<lb/> | ||
+ | proportion of vapour actually in the air to the vapour<lb/> | ||
+ | required for complete saturation”?<lb/> | ||
+ | I believe that <gap/> the booksellers at Rome<lb/> | ||
+ | frequently have store of old books. Could you<lb/> | ||
+ | conveniently make inquiry for “Vita di Ansaldo<lb/> | ||
+ | Grimaldi, Napoli, 1769”? I am anxious to procure<lb/> | ||
+ | it if possible. I cannot give the name of the author.<lb/> | ||
+ | |||
+ | I am, my dear Sir, Yours very faithfully,<lb/> | ||
+ | <span class="abbreviation" style="text-decoration: underline dotted" title="George Biddle"></span>GB Airy |
Revision as of 20:44, 19 April 2020
Royal Observatory, Greenwich
1856 September 10
My dear Sir
Re the other leaf, I place a
copy of the paper which was inserted in the Box
containing the copies of the British Standards.
I believe that you received my letter of April 12,
containing some farther particulars relating to the
Standard of Weight.
In the meteorological papers, the term “Umidità”
is used as a quantity expressible by a number,
but it is not explained. Does it mean “the
proportion of vapour actually in the air to the vapour
required for complete saturation”?
I believe that the booksellers at Rome
frequently have store of old books. Could you
conveniently make inquiry for “Vita di Ansaldo
Grimaldi, Napoli, 1769”? I am anxious to procure
it if possible. I cannot give the name of the author.
I am, my dear Sir, Yours very faithfully,
GB Airy