Show Notes
Episode: 1635 At the Sign of the Barber Pole: of barbers and barber-surgeons. Today, reflections in a barbershop.
More from Engines of Our Ingenuity
Episode: 1645 Figuring out the value of Pi. Today, let's talk about π -- and not the kind you eat.
Episode: 3424 Anne Brigman brings a wild new dimension to the early years of photography. Today, Anne Brigman’s photographs.
Episode: 3423 Protocols: From diplomatic procedures to computer communications standards. Today, we examine how protocols have shaped communication throughout the evolution of humans as well as that of the machines they create.
Episode: 3422 Women soldiers in the Civil War. How did that work? Today, woman soldiers in the Civil War.
Episode: 3421 Wigwam burners and the dying breath of the mighty Douglas Fir tree. Today, wigwam burners.