Molds for casting plastic playground slides, via here, here, here, and here.
Thumb Drive Testing Rig
A rig for testing thumb drives at the factory, via How It’s Made (season 13).
Ribbon Mic Corrugator
Machine to corrugate the super-thin aluminum ribbon from a ribbon microphone, via How It’s Made (season 13, episode 1).
Temperature Radiation Shield
A shape defined by its function: this enclosure is meant to hold a temperature sensor. The openings allow maximum air convection for an accurate reading. Via Ambient Weather.
Maltron Single-Hand Keyboard
Maltron single-hand keyboard, image via Ulva.
Fraction Bars
A device for teaching fractions to the visually impaired, from the 1910 book “Der Blindenunterricht. Vorträge über Wesen, Methode und Ziel des Unterrichtes in der Blindenschule”, via Bitcraft Lab.
LUX Dark Matter Detector
Images of the LUX Dark Matter Detector, a device for detecting the presence of dark matter. Based in the Black Hills of South Dakota, the detector is suspended in a large stainless steel tank (seen above) that is filled with 70,000 gallons of water to protect the detector from outside radiation. The sensors themselves (bottom image) are lined with white Teflon.
Via: Wired, photos by Matt Kapust
Sutured Wound Under Microscope
A sutured wound, seen under magnification and (I believe) colored later (via Danoah)
Blimp Dock
Blimp dock, from sometime in the 1920s (via Library of Congress, via Core77)
Lightbulb Filament Welder
Lightbulb filament welder (via “How Its Made”; season 7, episode 9).