The Blinkenlights Sign is a classic fixture in computer rooms of old. It uses faux German to humorously warn would-be transgressors to keep their hands off the computer equipment.  The version featured here came out of Stanford University circa 1959.

Click here for an HTML version of the sign that you can print from your browser window (before printing, set the page orientation to Landscape and the right and left margins of the page to 0.25" in the Print Setup to ensure it prints properly).

Or you can click here for a Microsoft Word version of the sign.