... plus topics like ...
How it works, and how it was used with Britain's Chain Home wartime radar defence network.
The physics and engineering behind the plumbing of a house water supply system.
and some Hearfield family trees.
Random thoughts on
How did our ancestors live?
Marion has written extensively on
Swaledale's population fell drastically in the 19th century. Censuses yielded many intriguing stories.
A Stroud grocer bought some land in 1873. Marion is researching how, and why, and what happened.