pitch diameter
61Lathe — A lathe (pronEng|ˈleɪð) is a machine tool which spins a block of material to perform various operations such as cutting, sanding, knurling, drilling, or deformation with tools that are applied to the workpiece to create an object which has… …
62Saturn V Instrument Unit — The Saturn V Instrument Unit is a ring shaped structure fitted to the top of the Saturn V rocket s third stage (S IVB) and the Saturn IB s second stage (S IVB). It was immediately below the SLA (Spacecraft/Lunar Module Adapter) panels that… …
63Quidditch — For the real world adaptation of the sport, see Muggle Quidditch. Quidditch is a fictional sport developed by British author J. K. Rowling for the Harry Potter series of novels. It is described as an extremely rough, but very popular, semi… …
64wood — wood1 woodless, adj. /wood/, n. 1. the hard, fibrous substance composing most of the stem and branches of a tree or shrub, and lying beneath the bark; the xylem. 2. the trunks or main stems of trees as suitable for architectural and other… …
65Wood — /wood/, n. 1. Grant, 1892 1942, U.S. painter. 2. Leonard, 1860 1927, U.S. military doctor and political administrator. * * * I Hard, fibrous material formed by the accumulation of secondary xylem produced by the vascular cambium. It is the… …
66Apollo Command/Service Module — Apollo CSM The Apollo 15 CSM in lunar orbit Description Role: Earth and Lunar Orbit Crew: 3; CDR, CM pilot, LM pilot Dimensions Height: 36.2 ft 11.03 m …
67Organ pipe — The choir division of the organ at St. Raphael s Cathedral, Dubuque, Iowa. Wood and metal pipes of a variety of sizes are shown in this photograph. An organ pipe is a sound producing element of the pipe organ that resonates at a specific pitch… …
68ear, human — ▪ anatomy Introduction organ of hearing and equilibrium that detects and analyzes noises by transduction (or the conversion of sound waves into electrochemical impulses) and maintains the sense of balance (equilibrium). The human ear, like …
69Trombone — Infobox Instrument color1=#FFD700 color2=#FFEC8B name=Trombone classification= *Wind *Brass *Aerophone range= related= * Sackbut * Buccin * Trumpet * Bass Trumpet articles=List of classical trombonists List of jazz trombonistsThe trombone is a… …
70British Association screw threads — British Association or BA screw threads are a largely obsolete set of small screw threads, the largest being 0BA at 6 mm diameter. They were, and to some extent still are, used for miniature instruments and modelling.They are unusual in that they …
