'Introduction to Infinitesimal Calculus'
pages 350 & 351
'Physical Applications - Attractions'
with drawn and painted circles
Fig. 139
black pen and red watercolour
and one small blue painted symbol
inside in a triangle
....
Infinitesimal calculus! Sure, Ronnie, I get it. Looks great, anyway. I lied, I don't get it but I love that you do. xxx
ReplyDeletePrettiest and most interesting Calculus book I have ever seen!!!!!
ReplyDeleteoh, ronnie, this is pure fun. i love LOVE it! absolutely.
ReplyDeleteIt definitely attracted me ronnie, it looks wonderful!
ReplyDeletemy paternal grandfather did "recreational calculus" [he was Proferssor Emeritus, Mathematics]. i understand this sort MUCH better
ReplyDeleteSplendid, Ronnie!!
ReplyDelete