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2. John Wood Group - Wikipedia

   en.wikipedia.org/wiki/John_Wood_Group

   During 2012, John Wood Group started providing environmental consultancy work to relation to Heathrow Airport's proposed expansion. [12] The company has also been involved in other transport infrastructure schemes, such as the potential reopening of the Watford and Rickmansworth Railway. [13] In 2016, John Wood Group expanded its footprint in ...

3. Expansion tank - Wikipedia

   en.wikipedia.org/wiki/Expansion_tank

   An expansion tank or expansion vessel is a small tank used to protect closed water heating systems and domestic hot water systems from excessive pressure. The tank is partially filled with air, whose compressibility cushions shock caused by water hammer [ citation needed ] and absorbs excess water pressure caused by thermal expansion .

4. A. O. Smith - Wikipedia

   en.wikipedia.org/wiki/A._O._Smith

   The company manufactures the following types of water heaters for commercial uses: oil-fired, gas and electric, as well as boilers, storage tanks, and skid systems. It also provide the following accessories: pump tanks, and expansion tanks.

5. Humphrys, Tennant and Dykes - Wikipedia

   en.wikipedia.org/wiki/Humphrys,_Tennant_and_Dykes

   Humphrys, Tennant and Co. also designed the boilers, each ship having a total of 8 boilers of 15-foot diameter with optional forced draft providing steam at 135 psi. HMS Blenheim was fitted with four triple-expansion engines giving her 20,000 indicated horsepower and a top speed of 22 knots. The forward engines could be disconnected to increase ...

6. Worthington Enterprises - Wikipedia

   en.wikipedia.org/wiki/Worthington_Enterprises

   Worthington Enterprises, Inc. is a global diversified metals manufacturing company based in Columbus, Ohio.It is a steel processor and manufacturer of pressure vessels, such as propane, oxygen and helium tanks, hand torches, refrigerant and industrial cylinders, camping cylinders, exploration, recovery and production products for global energy markets; water system tanks for storage, treatment ...

7. Gas holder - Wikipedia

   en.wikipedia.org/wiki/Gas_holder

   The tank was above ground and was lined with wood; the lift was guided by tripods and cables. Pulleys and weights were supplied to regulate the gas pressure. [13] Brick tanks were introduced in 1818, when a gas holder could have a capacity of 20,000 cubic feet (570 m 3). The engineer John Malam devised a tank with a central rod-and-tube guide ...

8. Littlejohn adaptor - Wikipedia

   en.wikipedia.org/wiki/Littlejohn_adaptor

   Light tank Mk VII Tetrarch Mk I with Littlejohn adaptor.. The Littlejohn adaptor was a device that could be added to the British QF 2 pounder (40 mm) anti-tank gun. It was used to extend the service life of the 2-pounder during the Second World War by converting it to squeeze bore operation.

9. Rolls-Royce Merlin alternative uses - Wikipedia

   en.wikipedia.org/wiki/Rolls-Royce_Merlin...

   The Meteor was a tank engine developed from the Merlin in World War II. It was detuned, did not have a supercharger, and ran on lower-octane pool petrol (as did the early Merlins). Manufacture was transferred from Rolls-Royce to Rover, who developed the smaller Meteorite V-8 engine from it.