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classification, with lower levels still ranked Class B through Class D in descending order, with Class D being the equivalent of later Rookie leagues. The impact...

wetting agent, foam, dry chemical (classes ABC and B.C.), and dry powder (class D) types in the rest of the world. Fire extinguishers are further divided...

class V for main-sequence stars, class sd (or VI) for subdwarfs, and class D (or VII) for white dwarfs. The full spectral class for the Sun is then...

The South African Railways Class D 2-6-4T of 1898 was a steam locomotive from the pre-Union era in Transvaal. Between 1898 and 1900, the Pretoria-Pietersburg...

changed to Class D aerodromes, and the previous Class D procedures were changed. The new Class D procedures are similar to the FAA Class D procedures...

Government Railways placed the first five of its eventual one hundred Class D 4-8-2T steam locomotives in service. The last was delivered in 1899. They...

The LD&ECR Class D was a class of nine 0-6-4T steam locomotives supplied to the Lancashire, Derbyshire and East Coast Railway in 1904 and 1906 by Kitson...

The North Eastern Railway Class D (later London and North Eastern Railway (LNER) Class H1) was a class of 4-4-4T three-cylinder side tank steam locomotive...

Barry Railway Class D were 0-8-0 steam tender engines of the Barry Railway in South Wales. They were built to a standard Sharp, Stewart and Company design...

A class-D amplifier or switching amplifier is an electronic amplifier in which the amplifying devices (transistors, usually MOSFETs) operate as electronic...

(simple expansion) 4-4-0s were developments of T.W. Worsdell's experimental Class D 2-4-0. The Class Ds were two-cylinder compounds of the von Borries type...

The MGWR Class D-bogie were first 4-4-0 operated by the Midland Great Western Railway (MGWR) of Ireland. They were rebuilt from MGWR Class D 2-4-0 locomotives...

The FS Class D.341 is a class of diesel-electric locomotive used in Italy, introduced in the 1950s and still in service. Most of the remaining units are...

The FS Class D.345 is a class of diesel-electric locomotive used in Italy, introduced in the 1970s and still in service. After the positive experience...

The Class D.445 is a class of diesel locomotives used by the Italian Ferrovie dello Stato (FS) railway company and by Trenord. 150 units were built between...

The MGWR Class D were 2-4-0 steam locomotives built in batches from 1873 to 1887 for the Midland Great Western Railway (MGWR) of Ireland to a Martin Atock...

The FS Class D.443 is a class of diesel-electric locomotive used in Italy, introduced in the late 1960s and still in service. D.443 was ordered by the...

Class D was a type of electric multiple unit train used by the Berlin U-Bahn. After World War II the trains of the Berlin U-Bahn were worn out, making...

The Class D was a class consisting of a single diesel locomotive with B wheel arrangement operated by the Chōsen Railway in colonial Korea. It was one...

The London and North Western Railway (LNWR) Class D was a class of 0-8-0 steam locomotives. They were simple engine rebuilds of earlier Webb Class A three-cylinder...