A History of Type III Erector - Girders & Gears

On the negative side, the 3.0 - 4.8 volt Powermatic motor was a weak replacement for the A49 motor. The plastic wheels didn't stay on the axles like the old MH wheels with a set screw.

NSW Preserved Steam Locomotives

No. Photo. Class. Wheel Arrang't. Builder's No & Year. Status. Location. Notes. 4' 8.5" Gauge. 1. 1. . Robert Stephenson & Co 958 of 1854. Display. Powerhouse Museum. No.1is displayed as a key exhibit in the Powerhouse Museum in Sydney.

David Heys steam diesel photo collection - 24 - BR WESTERN ...

GWR KING CLASS by Derek Dean Maybe it now sounds simplistic, but the natural progression in steam locomotive lineage terms, following the most excellent 'Castle' class was a longer, larger beefed-up engine that was capable of hauling heavier trains at faster speeds.

Compound steam engine - Wikipedia

A compound steam engine unit is a type of steam engine where steam is expanded in two or more stages. A typical arrangement for a compound engine is that the steam is first expanded in a high-pressure (HP) cylinder, then having given up heat and losing pressure, it exhausts directly into one or more larger-volume low-pressure (LP) cylinders.

Dreams of Steam: The History of Steam Power

Modelled after a large steam-powered tractor that would have been used at a county fair in the 1920s. This machine would be used to tow wagons to transport the equipment, to power machinery, and to supply electricity to light up the fair and power the rides.

The Food Timeline--history notes: charlotte to millet

Couscous Ancient fare? Not quite. "Couscous is a North African staple as far east a Tripoli, and particularly in Morocco and Algeria, where the local name for it is sometimes identical to the word for food' in general. It is also widely known in neighbouring African countries from Chad to Senegal and has footholds in Europe...Syria-Palestine...and somewhat surprisingly in Brazil, where it is ...

Steam locomotive - Wikipedia

A steam locomotive is a type of railway locomotive that produces its pulling power through a steam engine.These locomotives are fueled by burning combustible material – usually coal, wood, or oil – to produce steam in a boiler.

David Heys steam diesel photo collection - 92 - BR BRITANNIA ...

Following the success of Derek's in-depth article 'Changing Standards' on Page 90 and his full history of the first batch of locomotives Nos 70000-70024 on the previous page, it was decided to produce a third page featuring the second and third batches of BR Standard Class Pacific locomotives Nos 70025-70054.

High-Performance HVAC | WBDG Whole Building Design Guide

Heating, ventilating, and air-conditioning (HVAC systems) account for 39% of the energy used in commercial buildings in the United States. Consequently, almost any business or government agency has the potential to realize significant savings by improving its control of HVAC operations and improving the efficiency of the system it uses.

Midland Locomotives - Steamindex

The Midland Railway page is something of a problem as it was only thinly addressed in Steam Locomotive Development where it was observed that the Railway was centred on Derby from which routes radiated to the south west, north west, to the Scottish Border, to the east and to London.

Stanier locomotives; also those of Fairburn and Ivatt

Bond used these data to show that No. 6202 achieved a lower coal consumption of over 6% except in the case of one run by No. 6212.. Brooks, Mike.

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