Mathematical wrinkles for teachers and private learners .. (1912)
Jones, Samuel I. (Samuel Isaac), b. 1880 · Gunter, Tex., S.I. Jones · leaf 75
64 MATHEMATICAL WEINKLES 37. Suppose a hole to be cut through the earth, and a ball dropped into this hole, what would be the behavior of the ball> and where would it come to rest and how ? … pounds from 1 to 40 ? 40. Can you plant 19 trees in 9 rows with 5 trees to the row? 41. Do figures ever lie ? 42. Can you multiply feet by feet and get square feet ? 43. A hunter walked around a tree to kill a squirrel; the squirrel kept behind the tree from the hunter. Did he go around the…
Mathematics · Mathematical recreations
Internet Archive · Cornell University Library · Public domain (published before 1931). 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-117-13.webp)
