You've heard of oldschool DJing.  Here's 1929-style.  From Die Bühne.

Today there are warning signs saying not to stand on the top.  But in the good old days ... what a time was to be had!  Photo courtesy of the AOK Library.

Here'a how to use a vending machine, from Hunter College's Wistarion yearbook, 1962 and 1961.  See How to Hoodoo Hack a Yearbook.

Jean Genet suggested that the sun resists the moon's efforts to muddle, thwart, and counteract the precise measurement of days.  Genet says that the sun cleanses time while the moon makes it elastic and immeasurable.  Here's another way to cleanse time, from Mocca, 1936.

Many are skeptical of "spirit photography," but here is what we know: (1) I took a photo of something "then," (2) linear time is an illusion, (3) you're seeing me take that photo "now," (4) there is a oneness.  Thank you for smiling.

You've heard that it's possible to toot your own horn without blowing it.  It's true, and even a scarecrow can do it.  From Mocca, 1936. 

Before bad Photoshopping, folks pasted in crying babies whose heads are impossibly smaller than kittens'.  But as a general rule, a basket of kittens does go with just about any photo, in the proper proportion, of course.  From Die Bühne, 1926.

INSTRUCTIONS: Click if you'd prefer them to wear those hats.

"The imaginary horse isn't real, but your idea of it is real" (Marietta McCarty, Little Big Minds, 2006).  Photo as scanned by the Costică Acsinte Archive.

You've heard of the force which holds the celestial bodies in orbit, and here he is, in the Bulletin of the Southern California Academy of Sciences, 1917.

It's true that "the news surrounds us" (The Dick Davis Dividend, 2008).  Photo scanned by Oregon State University.

In the "Prologue to the Cook's Tale," Chaucer notes that "offering shelter is a ticklish thing."   From Hunter College's Wistarion yearbook, 1961.

We're having trouble finding any "pink pussycat" references earlier than the 1960s, but here's a pink pussycat from a 1938 issue of Die Muskete.  This should also be of interest: How to Be Your Own Cat.

Here's a precursor to the Atkins diet.  This ice cream vending machine has been marked "Permanently out of order."  From Hunter College's Wistarion yearbook, 1963.

From 1903.

Here are two ghostly photographs courtesy of the Mississippi Department of Archives and History.

INSTRUCTIONS: Click for another expression.

INSTRUCTIONS: Click to reveal the photo that inspired the artwork. From 1923.

Here's a giant spider crab from Japan, featured in The American Museum Journal, 1904.

You've heard of "the booze talking," but here's how it happens, c. 1935.  From the Leslie Jones Collection, Boston Public Library.