two-way cylinder
31Timeline of steam power — See Steam engine, Steam power during the Industrial Revolution. Steam power developed slowly over a period of several hundred years, progressing through expensive and fairly limited devices in the early 1600s, to useful pumps for mining in 1700,… …
32Snowdon Mountain Railway — Rheilffordd yr Wyddfa Half way up the Mountain Overview …
33Formula One regulations — The numerous Formula One regulations, made and enforced by the FIA and later the FISA, have changed dramatically since the first Formula One World Championship in 1950. This article covers the current state of F1 technical and sporting… …
34Business and Industry Review — ▪ 1999 Introduction Overview Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… …
35Mercedes-Benz W126 — For complete overview of all S Class models, see Mercedes Benz S Class. Mercedes Benz W126 Manufacturer Mercedes Benz (Daimler Benz) …
36Rolls-Royce Merlin — Merlin The Rolls Royce Merlin …
37Self-contained breathing apparatus — SCBA redirects here. For other uses, see SCBA (disambiguation). Not to be confused with the very similar Self Contained Underwater Breathing Apparatus. Toronto firefighter wearing an SCBA A self contained breathing apparatus, or SCBA, sometimes… …
38Top Fuel — Racing is a class of drag racing in which the cars are run on a maximum of 90% nitromethane and about 10% methanol (also known as racing alcohol), instead of gasoline. The cars are purpose built race cars, with a layout superficially resembling… …
39Oldsmobile 88 — Oldsmobile Eighty Eight Manufacturer General Motors Production 1949–1999 Class Full siz …
40Siren (noisemaker) — A siren is a loud noise maker. The original version would yield sounds under water [Adolphe Ganot (translator: Edmund Atkinson), Elementary Treatise on Physics: Experimental and Applied , 8th ed. (N.Y., N.Y.: Wm. Wood and Co., 1877), pages 188… …
