Gravesande, Willem Jacob 's, An essay on perspective

Table of figures

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[11] Plate 4.Page 24.Fig. 10.f F O G g V D N L a P E H I M A
[12] Plate 5.page 26.Fig. 11.O Y b X a E Z A B
[13] Fig. 12.M O Y F S C L D X a E B Z A
[14] Plate 6.page 28.Fig. 13.O D c b a g E G B A C
[15] Fig. 14.O b 1 2 3 a c 1 2 3 g D A C 3 1 2 2 1 3 B G
[16] page 28.Plate. 7Fig. 16Fig. 15O G F I Vl d c e m n b a h B A H M N C E P D L
[17] page 36.Plate 8Fig. 17O G F c d b a A B D C
[18] Page 36.Plate 9Fig. 18.G F C S V I E B A
[19] Fig. 19.O i M X L D @ b a
[20] Fig. 20.S x G n H S V D l R f Q m P t
[21] Fig. 21.I X f T L B N A C l M E F
[22] page 38Plate 10.Fig. 22.V F I N a G H M P D E B C L A
[23] Fig. 23.O F I H a G D E B C L A M
[24] Fig. 24.@ o f X a e A
[25] page 42Plate 11.Fig. 25.S F V M I N P H a L D E G C A B
[26] Fig. 26.Fig. 27.S V P Q R n l g h G H B N I A C M L
[27] page 46Plate 12.Fig. 28.
[28] Fig. 29.F S V q q q E L p p p I G H q D P n n n T R m m m C B Q A
[29] Fig. 30.O X E L N M G Z Y D
[30] Fig. 31.f 3 c l n m g 4
[31] page 48.Plate 13.Fig. 32.V S R L P B D Q T M I F A E Y C G O H Z N
[32] page 52.Plate. 14.Fig. 34D C F G A B H L E
[33] Fig. 33S X 8 1 h 6 g 3 z q 9 m 2 4 m a 5 Y
[34] Fig. 35O M D P T Q R m p q B A S C
[35] page 56.Plate. 15F H O Z D G
[36] Fig. 36T N M L a R Q E I A C P B
[37] Fig. 37F S V T I E M A N X P C B
[38] page 58.Plate. 16Fig. 39Fig. 38F Q O p l r s 1 2 3 4 G
[39] page 60.Plate. 17F V
[40] Fig. 40c θ b e a F G H I K L A B E C D
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              <pb o="vi" file="0014" n="14" rhead="The PREFACE."/>
            ing purſued at first, tho’ it requires a little more
              <lb/>
            Application, does afterwards ſave a great
              <lb/>
            many Hours Study, in an Art that always
              <lb/>
            appears difficult enough.</s>
            <s xml:id="echoid-s101" xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:id="echoid-s102" xml:space="preserve">A Painter, in a ſhort Time, may learn this
              <lb/>
            Work, and make the Rules thereof familiar to
              <lb/>
            him: </s>
            <s xml:id="echoid-s103" xml:space="preserve">And if this Study be repeated from
              <lb/>
            time to time, for a few Days, he will find
              <lb/>
            the Benefit thereof, in diminiſhing his Labour
              <lb/>
            and Trouble.</s>
            <s xml:id="echoid-s104" xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:id="echoid-s105" xml:space="preserve">But, that any one himſelf may ſee what
              <lb/>
            I promiſe in this Eſſay; </s>
            <s xml:id="echoid-s106" xml:space="preserve">take the following
              <lb/>
            ſhort Abſtract thereof. </s>
            <s xml:id="echoid-s107" xml:space="preserve">It is divided into
              <lb/>
            Nine Chapters: </s>
            <s xml:id="echoid-s108" xml:space="preserve">The Firſt, being as an In-
              <lb/>
            troduction to the reſt, ſhews the Uſefulneſs
              <lb/>
            of Perſpective, and gives you the Definiti-
              <lb/>
            ons of the Terms neceſſary for underſtanding
              <lb/>
            this Treatiſe.</s>
            <s xml:id="echoid-s109" xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:id="echoid-s110" xml:space="preserve">The whole Theory is contain’d in the Se-
              <lb/>
            cond Chapter: </s>
            <s xml:id="echoid-s111" xml:space="preserve">Where, what has been found
              <lb/>
            moſt uſeful in that Matter, is therein re-
              <lb/>
            duced to Three general Theorems; </s>
            <s xml:id="echoid-s112" xml:space="preserve">viz. </s>
            <s xml:id="echoid-s113" xml:space="preserve">the
              <lb/>
            firſt, ſecond, and fourth: </s>
            <s xml:id="echoid-s114" xml:space="preserve">All the reſt is de-
              <lb/>
            duced from them, by way of Corollary. </s>
            <s xml:id="echoid-s115" xml:space="preserve">To
              <lb/>
            theſe Theorems, already known, are added
              <lb/>
            ſome new ones, ſerving for the Demonſtra-
              <lb/>
            tion of ſome neceſſary Propoſitions. </s>
            <s xml:id="echoid-s116" xml:space="preserve">Perhaps
              <lb/>
            it might be wiſh’d, that I had ſhewn the Way
              <lb/>
            that led me to the Truths which I diſcover:</s>
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