The manual training school, comprising a full statement of its aims, methods, and results, with figured drawings of shop exercises in woods and metals (1887)
Woodward, C. M. (Calvin Milton), 1837-1914 · Boston, D.C. Heath · leaf 131
for finish varies greatly, but for surfaces likely to be cast true and sound may be taken as enough. Shrinkage is also a variable quantity depending on the metal and upon the form of the casting. Pattern-makers’ rules are made 12|" standard to the foot and graduated proportionally ; hence 1 in 96… … Fig. 118. Allowances in tue Size or Patterns. The pattern is to be molded flat side down. See Fig. 118. Nothing need be added to ax and b1 for draft, but each is to be increased by * of itself, for shrinkage, and each face is to have ^g of an inch for finish. The dimensions of the base will then be…
Manual training
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
![An illustration from Io. Bvteonis delphinatici Opera geometrica, qvorvm titvli seqvvntur. De arca Noe, cuius formae, capacitatisq[ue] fuerit. De sublicio ponte Caesaris. Confutatio quadraturae circuli ab Orontio Finaeo factae. Ad locum Quintiliani geometricum explanatio. Ad problema cubi duplicandi. De fluentis aquae mensura. Emendatio figurationis organi a Columella descripti. De libra et statera. De precio margaritarum. In ivre civili: De fluuiaticis insulis secundum ius civile diuidendis, vbi confutatur Tyberias Bartoli. De diuisione fructus arboris in confinio natae. Geometriae cognitionem iureconsulto necessariam. Ad legem Papiniani, diuortio. Ad legem Iuliani, si ita scriptum. Ad legem Aphricani, qui quadringenta (1554)](https://img.insideoutlibrary.com/img/200/ia-gri_33125008174225-65-1.webp)
