Actual poster from 1917 that made me laugh. A lot.

Also, those motherfuckers are measuring the weight of those balls in kilograms, aren’t they?

  • Cort@lemmy.world
    1·
    4 months ago

    I mean, 1btu is required per pound of water per degree Farenheit. About 8lbs/gal and raising it 142°f would mean 1136btus