Exercise for Women in the early 19th century.
What to do if you find yourself choking — and no one’s around.
1927 documentary on how to dial a telephone.
Gallery of photos from the Halifax explosion — the naval accident that erased an entire city in Canada.
Remembering the “Knocker-Ups” Hired to Wake Workers with Pea Shooters.
ICYMI, Monday’s links are here, and include the invention of the baby carrot, phrases commonly used today that come from obsolete technologies, a device used to resuscitate canaries in coal mines, Ziploc bag engineering, and the guy who makes the world’s best paper airplanes.