stone; and still later came thegreat steam flouring mills that grind foodfor the world. Thus we note the transitionfrom the age of stone to that of iron. Another instance of the survival of stoneimplements is found in the continued useof stone axes and hammers by some of theArizona Indians as well… … right angle, a cutting bit with sharp edgemade of bone; sometimes of steel; but be-fore they learned the use of steel, they firm-ly lashed to this stone handle an edgedbone-or stone, and found it an efficient im-plement for cutting out the charred woodin canoe making. It is now also in com-mon use…
Archaeology · Ethnology
Internet Archive · Duke University Libraries · Public Domain Mark 1.0. Free to use for anything.
![An illustration from The Antiquarian [serial], 1897, leaf 296](https://img.insideoutlibrary.com/img/1024/ia-antiquarianseria01colu-296-173.webp)
![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-274-29.webp)
