Bench work in wood; a course of study and practice designed for the use of schools and colleges (1888)
Goss, William Freeman Myrick, 1878- · Boston : Ginn · leaf 141
will beseen that, besides the lines defining the annual ring layers, thereare others extending from the center in all directions; theseare known to the botanist as medullary rays, and sometimesto the carpenter as silver rays. In some woods, they are ver)clearly defined; in others, they are hardly…
Woodwork (Manual training)
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
![An illustration from L'optique divisée en trois livres : ou, l'On démontre d'une maniere aisée tout ce qui regarde 1. la propagation & les proprietez de la lumiere. 2. La vision. 3. La figure & la disposition des verres qui servent à la perfefectionner [sic] (1682)](https://img.insideoutlibrary.com/img/200/ia-loptiquedivise00ango-34-5.webp)
