<div class="description">
<dl><dd>[10] leaves ; 21 cm (4to)</dd>
<dd>Title devised by cataloger. Incipit on A2 recto: Excellentissimi Magistri Alberti de Saxonia tractatus proportionum incipit feliciter</dd>
<dd>Imprint derived from colophon (C2): Magistri Alberti de Saxonia proportionu[m] libellus finit feliciter qui Uenetiis summa cu[m] diligentia fuit impressus per Bernardinu[m] Uenetu[m] impensa. d. Ieronimi duranti. Die. 29. Zenaro. 1494</dd>
<dd>Signatures: A-B⁴ C² (A1=blank)</dd>
<dd>Chancery quarto; A3 recto: 43 lines, 159 x 105 mm; type: 73G; initial spaces with guide letters</dd>
<dd>COPY NOTE: Boston Public Library (Rare Books Department) copy Q.405.105 with later ink foliation in upper margins. Blind impressions from bearer types on C2. Leaf dimensions: 202 x 150 mm.</dd>
<dd>PROVENANCE: Boston Public Library (Rare Books Department) copy Q.405.105 with pencil dealer's notes, etc., at front. Early/contemporary marginalia. Purchased in March, 1939.</dd>
<dd>BINDING: Boston Public Library (Rare Books Department) copy Q.405.105 bound in ca. 19th-century pasteboard wrappers. Front and back flyleaves comprised of manuscript waste (15th-century copy of the Codex Theodosianus, with commentary. Inscribed in lower left corner of upper cover: "ff // I // 75." Blue and green paper labels with lot/library numbers.</dd></dl><br>Subjects: Ratio and proportion -- Early works to 1800; Motion -- Early works to 1800</div>
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Albertus, de Saxonia, -1390</div>
Internet Archive identifier