This is just the beginning! Our collection holds over 300 years of history, including rare newspapers, obituaries, marriage records, birth records, and so much more—most of which you won’t find anywhere else!
A New Idea in Boilers and Interarched Elms
A discussion on stable and unstable equilibrium using corks and a plate demonstrates rotational persistence. The Journal of Building describes Hudson’s boiler heating chambers that warm the shell gradually, acting as circulate and feed water heaters. Interarched elms show living braces joining branches into a unified arched trunk.
MENTIONED IN THIS ARTICLE
The
Journal of Building
C. E. Hudson
Cal
Cariganshire