Pic # 3 Allis-Chalmers sprayer looks like a lot from that era - engineered by inventory :-) Video of one in action: https://www.youtube.com/watch?v=dRVB2Xzg4qk
Pic # 5 Is that a Hoyt-Clagwell poking its nose out of the barn? :-)
Great pictures, by the way. You have an excellent eye for photography.