ends per inch
31Gear — For the gear like device used to drive a roller chain, see Sprocket. This article is about mechanical gears. For other uses, see Gear (disambiguation). Two meshing gears transmitting rotational motion. Note that the smaller gear is rotating… …
32Heat transfer — is a discipline of thermal engineering that concerns the exchange of thermal energy from one physical system to another. Heat transfer is classified into various mechanisms, such as heat conduction, convection, thermal radiation, and phase change …
33IBM Selectric typewriter — The IBM Selectric typewriter (occasionally known as the IBM Golfball typewriter) is an influential electric typewriter design. It was introduced in 1961.Instead of a basket of pivoting typebars the Selectric had a pivoting type element… …
34UNIVAC I — The UNIVAC I ( U N I V ersal A utomatic C omputer I ) was the first commercial computer made in the United States.It was designed principally by J. Presper Eckert and John Mauchly, the inventors of the ENIAC. Design work was begun by their… …
35Halftone — For the music interval, see semitone. Left: Halftone dots. Right: How the human eye would see this sort of arrangement from a sufficient distance. Halftone is the reprographic technique that simulates continuous tone imagery through the use of… …
36Comparison of layout engines (Cascading Style Sheets) — Cascading Style Sheets CSS Animations Dynamic CSS Comparison of layout engines Comparison of stylesheet languages Internet Explorer box model bug CSS Zen Garden The Zen of CSS Design CSSTidy Style sheet Tableless web design Holy Grail (web… …
37Computer case screws — From left to right: a 6 32 thumbscrew, a 6 32 screw, an M3 screw, and a self tapping screw for case fans Computer case screws are the hardware used to fasten together parts of a computer case and to fasten the system components (such as… …
38IBM 7330 — The IBM 7330 Magnetic Tape Unit was IBM s low cost tape mass storage system through the 1960s. Part of the IBM 7 track family of tape units, it was used mostly on 1400 series computers. The 7330 used 1/2 inch (12.7 mm) magnetic tape up to 2400… …
39HTC Magic — NTT docomo HT 03A T Mobile myTouch 3G NTT docomo HT 03A Brand HTC NTT docomo T Mobile Manufacturer HTC Corporation Series …
40Majestic 12 — This article is about the purported secret committee called Majestic 12 . For other uses, see Majestic 12 (disambiguation). The 1947 letter, purported to be signed by Harry Truman, authorizing Operation Majestic Twelve . Majestic 12 (also known… …
