Bošković, Ruđer Josip
,
Abhandlung von den verbesserten dioptrischen Fernröhren aus den Sammlungen des Instituts zu Bologna sammt einem Anhange des Uebersetzers
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146
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Anhang
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19
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<
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xml:space
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<
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d k : k a # = # R : tang. k d a</
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<
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Log. k a = # 43,08 # = # 1,6342757
<
lb
/>
Log. R = # # # 10,0 &c
<
lb
/>
# # # 11,6342757
<
lb
/>
Log. k d = # 32,2 # = # 1,5078559
<
lb
/>
## Log. tang. k d a # = # 10,1264198
<
lb
/>
## der nächſte # = # 10,1263063 von 53° 13′.
<
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note
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<
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xml:space
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">Auflöſung des Triangels d m e
<
lb
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d m : m e # = # R : tang. m d e</
head
>
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right
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<
lb
/>
Log. m e = # 34,97 # = # 1,5436956
<
lb
/>
Log. R = # # # 10,0 &c
<
lb
/>
# # # 11,5436956
<
lb
/>
Log. d m = # 122,7 # = # 2,0888446
<
lb
/>
## Log. tang. m d e # = # 9,4548510
<
lb
/>
## der nächſte # = # 9,4546276 von 15° 54′.
<
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<
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s
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">Die ganze Brechung der violeten Straalen iſt
<
lb
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der Unterſchied der itzt gefundenen Winkel</
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<
lb
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53° # 13′
<
lb
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15 # 54
<
lb
/>
37 # 19 # = # r′
<
lb
/>
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note
>
<
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>
<
s
xml:id
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echoid-s1813
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xml:space
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">der brechende Winkel c des Priſma war 51° 30′.</
s
>
<
s
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xml:space
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">Formel m = {ſin. {c + r/2}/ſin. {1/2} </
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