In the late 1940's my parents bought a Hoover Model 27 vacuum. I was only going to show pages from the instruction manual depicting happy '40's housewives and did a little research about this particular vacuum. I wasn't able to find a complete Model 27 manual online and am including the whole thing as a reference for others.
The photos are amazing and amusing. So is the advice to vacuum every carpet every day.
I remember what a hassle it was for my mother to empty the dust bag.