mounting screw
71Lens mount — A lens mount is an interface mechanical and often also electrical between a photographic camera body and a lens. It is confined to cameras where the body allows interchangeable lenses, most usually the single lens reflex type or any movie camera… …
72TO220 — The TO 220 is a style of electronic component package, commonly used for transistors, silicon controlled rectifiers, and integrated circuits. TO 220 packages commonly have three leads although units with two, four, five or seven leads are also… …
73Mirror mount — This article is about the general subject. For mirror mounts specific to primary telescope mirrors, see Mirror support cell. Two kinematic mirror mounts, with mirrors. A mirror mount is a device that holds a mirror. In optics research, these can… …
74Diffraction topography — (short: topography ) is an X ray imaging technique based on Bragg diffraction. Diffraction topographic images ( topographs ) record the intensity profile of a beam of X rays (or, sometimes, neutrons) diffracted by a crystal. A topograph thus… …
75Multi-leaded power package — An example of a 9 lead multi leaded power package The multi leaded power package is a style of electronic component package, commonly used for high power integrated circuits, especially for monolithic audio amplifiers. It was derived from single… …
76Battleship — For other uses, see Battleship (disambiguation). The firepower of a battleship demonstrated by USS Iowa (ca. 1984) A battleship is a large armored warship with a main battery consisting of heavy caliber guns. Battleships were large …
77Single-lens reflex camera — The single lens reflex (SLR) camera uses an automatic moving mirror system which permits the photographer to see exactly what will be captured by the film or digital imaging system, as opposed to non SLR cameras where the view through the… …
78Helicopter — For other uses, see Helicopter (disambiguation). Helicopter An LAPD Bell 206 …
79Wheel stud — Wheel studs are the bolts that the wheel of an automobile rest on. Lug nuts are fastened to the wheel stud to secure the wheel. Wheel studs can be either factory equipment or aftermarket add ons. They are semi permanently mounted directly to the… …
80Delaware River Iron Ship Building and Engine Works — Former type Private Industry Shipbuilding Predecessor Reaney, Son Archbold Successor Chester Shipbuilding Co. Founded 1871 …
