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Sample showing method of jointing sheet lead

Sample showing method of jointing sheet lead

Poster, directions for use of Maignen Treatment and filtration tank, 1907

Poster, directions for use of Maignen Treatment and filtration tank

Tracings on cloth, plans and sections of Sennar Dam (1925) from originals lent by O. L. Prowde Esq: (1) site plan; (2) elevation and sections; (3) outlet channel for main Gezira canal

Tracings on cloth

Sectional drawing of rotary water meter

Sectional drawing of rotary water meter

Three foot six inch length lead pipe formed by continuous extrusion process in 1930, together with small drawing illustrating process

Three foot six inch length lead pipe

1930

Frager's patent positive water meter, 1878

Frager's patent positive water meter

1878

Three eights of an inch Hannah's water meter, 1868

Three eights of an inch Hannah's water meter

1868

Coloured exhibition drawing, 29.75" x 27" (vertical), scale 1:48, showing sectional elevation and plan of complete lay-out for Boby vertical water softening plant, 1932, erected for the London, Midland and Scottish Rly. Co. at Preston (Lancs) with description (hand printed) of general lay-out, the softening process employed, and the sludging arrangements, plant capacity 480,000 gallons per hour, completed July 1932

Coloured exhibition drawing

Chart of sand analysis, secondary or slow rate filter beds

Chart of sand analysis

Coloured plan of Littleton reservoir

Coloured plan of Littleton reservoir

Large wheel from a Siemens and Adamson water meter

Large wheel from a Siemens and Adamson water meter

Coloured sectional drawing, 16" x 16", showing Permutit water softening plant for bulk supplies, (vertical pressure type), single stage, scale 1:8

Coloured sectional drawing

Transparency:- Aswan Dam, facing East, general view, after completion of thickening and heightening, alternate sluice sets discharging (1912)

Transparency:- Aswan Dam

Transparency:- Aswan Dam, downstream face, grouting pipes in work of thickening original dam, 7.1.1909

Transparency:- Aswan Dam

Transparency:- Aswan Dam, facing East, subsidence of floods flowing over the previous seasn's work, 7.12.1900

Transparency:- Aswan Dam

Transparency:- Aswan Dam, downstream face, insertion of cast iron linings for 5 sluices, Bab-el-Sogheir channel, 2.6.1900

Transparency:- Aswan Dam

Transparency:- Aswan Dam, facing East, sluice construction at the Thirmosia channel, 3.4. 1900

Transparency:- Aswan Dam

Transparency:- Assiut Barrage, facing East; roadway and swing bridge over navigation lock

Transparency:- Assiut Barrage

Transparency:- Esna Barrage, facing West, upstream ends of partly completed piers with Nile flowing through, 17.3.1908

Transparency:- Esna Barrage

Two sepia bromide prints of Roman baths at Bath

Two sepia bromide prints of Roman baths at Bath

Four red clay water-pipes, late 18th century, with shouldered and recessed ends for jointing, from Pulborough, Sussex: 5" internal diameter by 17" overall; 2.5" internal diameter by 15" overall; 3.5" internal diameter by 12" overall; 1.25 inch internal diameter by 15.5 inch overall

Four red clay water-pipes

Eight specimens of lead for caulking water pipe joints:- i.e. four lead wool, two lead wire (round section), two lead wire (square section)

Eight specimens of lead for caulking water pipe joints:- i.e. four lead wool

Sir William Thompson's (Lord Kelvin's) patent, 1889 and 1891, water tap, .5" diam, mounted on wooden stand

Sir William Thompson's (Lord Kelvin's) patent

1 pair short 1/2" pillar valves by `Supataps' Ltd c.1958, with black plastic handles, for bathroom sink use. Plus spare black handle and 3 various sized washers

1 pair short 1/2" pillar valves by `Supataps' Ltd c.1958

1958

Twelve inch length steel tube, two inch bore, grooved

Twelve inch length steel tube

Set (five pieces) caulking tools; 4lb caulking hammer

Set of caulking tools

Pair of 3/4" bath pillar valves, c.1980. By Deltaflow to BS 5412. Chrome plated with cruciform heads

Pair of 3/4" bath pillar valves

1980

Photograph of large wooden stave pipe under construction, framed and glazed

Photograph of large wooden stave pipe under construction

Included within one frame of 4 photographs: Falling shutter weir, scale 1:24.

Photograph of a falling shutter weir

Pillar taps by Pegler. for kitchen use, 1991 (see two stroke numbers).

Pillar taps by Pegler. for kitchen use

1991

Two coloured perspective drawings, 11" x 7.5", on one mount:- "Boby vertical type water softening plants (lime soda process) fitted with (a) quartz sand filter; (b) wood wool filter

Two coloured perspective drawings

Diagrammatic section of rapid gravity filter, in glazed frame, 3'3" x 2'3"

Diagrammatic section of rapid gravity filter

Glass photographic transparency, "Barrage du Nil, Rive Est" "Delta Barrage"

Glass photographic transparency

Transparency:- Esna Barrage, facing West, downstream ends of piers quite dry within the sudds, 8.6.1908

Transparency:- Esna Barrage

One of four 12" x 10" transparencies of Makwar (Blue Nile/Sennar) Dam

One of four 12" x 10" transparencies of Makwar (Blue Nile) Dam

Positive water meter

Positive water meter

One of four 12" x 10" transparencies of Makwar (Blue Nile/Sennar) Dam

One of four 12" x 10" transparencies of Makwar (Blue Nile) Dam

One of four 12" x 10" transparencies of Makwar (Blue Nile/Sennar) Dam

One of four 12" x 10" transparencies of Makwar (Blue Nile/Sennar) Dam

Tylor's rotary water meter

Tylor's rotary water meter

Six photographs, on one grey card mount 4' x 3', showing Queen Mary Reservoir, Littleton

Six photographs of Queen Mary Reservoir

Four 12" x 10" transparencies of Makwar (Blue Nile) Dam

Four 12" x 10" transparencies of Makwar (Blue Nile) Dam

Example, part sectioned, Venturi meter for three inch diameter pipe with single tube manometer

Example, part sectioned

Pillar taps by Pegler, for bathroom hand basin, 1991 (see 2 stroke numbers).

Two pillar taps for bathroom hand basin

1991

Four foot length of stone water pipe, twelve inch internal diameter, with octagonal stone collar joint

Stone water pipe section

Three bronze ferrules for wooden water mains, c 1698, for connecting leaden pipes to wooden water mains

Three bronze ferrules for wooden water mains

1698

Seven foot length elm tree spigot and faucet water pipe, five inch bore, 18th century

Seven foot length elm tree spigot and faucet water pipe

Model (scale 1:2) of Abyssinian tube well driving apparatus, on wooden stand

Model (scale 1:2) of Abyssinian tube well driving apparatus

Paterson chloronome pulser type (full size) for chlorinating water supplies, capacity of dosing 10 lbs chlorine gas per 24 hours and 1,000,000 gallons of water

Paterson chloronome pulser type for chlorinating water supplies

Length St James's Park cast round lead water main, 17th century, with reducing joint from two inch diam. to one and three eights inches diam.

Length St James's Park cast round lead water main

1601-1700

Three eights of an inch positive water heater

Three eights of an inch positive water heater

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