Bion, Nicolas, Traité de la construction et principaux usages des instruments de mathématique, 1723

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          <head xml:id="echoid-head574" style="it" xml:space="preserve">Planche Vingt-septiême. Page 370.</head>
          <figure number="354">
            <caption xml:id="echoid-caption330" style="it" xml:space="preserve">Fig. 1.</caption>
            <description xml:id="echoid-description358" style="it" xml:space="preserve">Paris 49. Madrid 41</description>
            <description xml:id="echoid-description359" style="it" xml:space="preserve">Amsterdam 52.</description>
            <variables xml:id="echoid-variables239" xml:space="preserve">G F D A B C D E
              <lb/>
            10 20 30 40 50 60 70 80 10 20 30 40 50 60 70 80
              <lb/>
            I II III IIII V VII VIII IX XI II III IIIIV VI VII VIII IX X XI XII I</variables>
          </figure>
          <figure number="355">
            <caption xml:id="echoid-caption331" style="it" xml:space="preserve">Fig. 2.</caption>
            <description xml:id="echoid-description360" style="it" xml:space="preserve">Rome 42. Vienne 49.</description>
            <description xml:id="echoid-description361" style="it" xml:space="preserve">Paris 49. la Haye 52.</description>
            <variables xml:id="echoid-variables240" xml:space="preserve">F D A B E C D
              <lb/>
            10 20 30 40 50 60 70 80 90 10 20 30 40 50 60 70 80 90
              <lb/>
            I II III V VI IX X XI XII I II III IIII V VI VII VIII IX X XI X</variables>
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          <figure number="356">
            <caption xml:id="echoid-caption332" style="it" xml:space="preserve">Fig. 3.</caption>
            <variables xml:id="echoid-variables241" xml:space="preserve">80 7@ 60 50 40 30 20 10
              <lb/>
            D B E F C A
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            V VI VII XI XII I II III IIII V VI VII VIII</variables>
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          <figure number="357">
            <caption xml:id="echoid-caption333" style="it" xml:space="preserve">Fig. 4.</caption>
            <variables xml:id="echoid-variables242" xml:space="preserve">A H D C F G I E B K
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            10 20 30 40 50 60 70 80 90 100 110 120 130
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            11 10 9 8 7 6 5 4
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            12 11 10 9 8 7 6 5 4
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            6 7 8 9 10 11
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            ♋ ♌ ♊ ♍ ♉ ♎ ♈ ♏ ♓ ♐ ♒ ♑</variables>
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          <figure number="358">
            <caption xml:id="echoid-caption334" style="it" xml:space="preserve">Fig. 5.</caption>
            <description xml:id="echoid-description362" style="it" xml:space="preserve">Zodiac 23. d 1/2.</description>
            <description xml:id="echoid-description363" style="it" xml:space="preserve">49. deg.</description>
            <description xml:id="echoid-description364" style="it" xml:space="preserve">Egunteur 41. deg.</description>
            <description xml:id="echoid-description365" style="it" xml:space="preserve">Horiſontale</description>
            <description xml:id="echoid-description366" style="it" xml:space="preserve">Pole</description>
            <variables xml:id="echoid-variables243" xml:space="preserve">♌ ♋ ♊ ♉ ♈ ♓ ♒ ♑ ♐ ♏ ♎ ♍
              <lb/>
            A H L G I C B D F T Y M N O P E X Z S R Q
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            7 6 5 4 8 7 6 5 4 3 2 1 12 11 10 9 8
              <lb/>
            m a b c</variables>
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          <figure number="359">
            <caption xml:id="echoid-caption335" style="it" xml:space="preserve">Fig. 6.</caption>
            <variables xml:id="echoid-variables244" xml:space="preserve">V VI VIII VIII IX VII I II II IIII V VI VII
              <lb/>
            E A D B C
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            V VI VII VIII IX X XI XII I II III IIII V VI VII
              <lb/>
            I A S O N I F M A M I
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            ♋ ♊ ♉ ♈ ♓ ♒ ♌ ♍ ♎ ♏ ♐</variables>
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