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'Sea-going launch for the Political Agent, Bahrain. Corr. re: Kelvin Engine.' [‎1dr] (9/398)

The record is made up of 1 volume (199 folios). It was created in 7 Apr 1934-14 May 1937. It was written in English and Arabic. The original is part of the British Library: India Office The department of the British Government to which the Government of India reported between 1858 and 1947. The successor to the Court of Directors. Records and Private Papers.

Transcription

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(5>
641
^CONNECTING RODS.—Of steel H. Section—very light. Big ends lined with white
Ikietal. Bolts of Nickel steel.
VALVE GEAR.—Inlet and exhaust valves are vertical in the head and operated by
rockers of hardened steel mounted on roller bearings—all enclosed by an oil-tight cover
easily removed. The rockers are operated by vertical push rods encased in brass pipes.
The camshaft is within the crankcase, well lubricated, and driven by gear wheels within
an oil-tight case. The cams are integral with the shaft.
CRANKSHAFTS.—Of Nickel steel—very hard—with crankpins hollow to reduce
unbalanced weight. All models have balance weights. The one and two cylinder models
create no more vibration than the four cylinder model.
BEARINGS.—The crankshaft has a bearing between each cylinder and two bearings
between the front cylinder and the flywheel. All the bearings are adjustable through the
inspection doors.
i
CRANKCASE.—In one piece with inspection doors on both sides giving access to everv
internal part; white enamelled inside.
FLYWHEEL.—Fixed by large flange and bolts, balanced and of ample weight for
running slow. Flywheel pan to protect flywheel from bilge water.
EXHAUST MANIFOLD.—Water cooled with cleaning door each end.
SILENCER.—Of our well-known pattern in which the circulating water and the
exhaust gases mix together—discharge almost inaudible—silencer and exhaust pipe
never more than hand hot. This silencer must be above sea level. For deep boats a
standpipe to raise it is furnished without extra charge.
EXHAUST PIPE.—The sulphur contained in Diesel fuel causes rapid corrosion of copper
or iron. The exhaust pipe is, therefore, of material which resists this corrosion.
WATER PUMP.—Of gunmetal with a single cotton-packed ram, chromium plated—
sand resisting. Valves of brass all immediately accessible.
STRAINER.—Combined with the seacock is a strainer of Monel Metal which may be
cleared from inboard without stopping the engine.
CRANKCASE PUMP.—For emptying the crankcase a hand pump is fixed in a con
venient position.
STARTING HANDLE.—At rear end with revolving brass grip ; safety device to prevent
back-kick when engine stops.
REVERSE GEAR.—Attached direct to the engine—permanent in alignment. The
ahead clutch is double, the astern clutch single. Both of cast iron. The thrust, both ahead
and astern, is taken on ball bearings situated within the case. The case is white enamelled
inside and oil tight. The control is by gunmetal hand wheel.
TANKS. Two types may be supplied. The horizontal tank is more suitable for
shallow boats, but the vertical type is the better tank, and is recommended when it can
be accommodated. The horizontal tanks are galvanized in and out. The vertical
tanks are internally coated with white enamel.
EQUIPMENT.—Propeller of bronze and balanced. Sterntube of naval brass with out
side stuffing box to exclude sand. Shaft bearings of gunmetal split for adjustment. All
hull connections of gunmetal. All pipes of corrosion resisting metal. Tool outfit very
complete (see page 653).
SCREW THREADS.—The British Standard Fine Thread is used throughout (except
~ for pipes) in preference to the Whitworth thread, now out-of-date except for rough work.
Wy Small screws and studs are of rustless material.
vs INSTALLATION WORK.—If a plan of the vessel is furnished, the equipment will be
made to suit whereby the work of installation is brought within the capacity of a carpenter
with his ordinary tools.

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Content

Correspondence discusses the new launch Felix Jones for the Political Agent A mid-ranking political representative (equivalent to a Consul) from the diplomatic corps of the Government of India or one of its subordinate provincial governments, in charge of a Political Agency. , Bahrain and includes:

  • Brochure for a Kelvin Diesel engine by the Bergius Company, Glasgow.
  • Diagram and description for a new reversing gear for marine engines, product of John I. Thorneycroft.
  • Supply of Thornycroft engine by distributers, A.M. Yateem Brothers, Bahrain .
  • Estimates for building new Felix Jones including materials used.
  • Sketch diagrams for building a harbour for Felix Jones Bushire pier (folio 59).
  • Advertisement for Thornycroft RD/6 Type Marine Engine with photo of Starboard side view of Engine with Reverse Gear (folio 122).

Correspondents include: Khalil bin Ibrahim Kanoo; Lieut-Colonel Gordon Loch, Political Agent A mid-ranking political representative (equivalent to a Consul) from the diplomatic corps of the Government of India or one of its subordinate provincial governments, in charge of a Political Agency. Bahrain; Political Resident A senior ranking political representative (equivalent to a Consul General) from the diplomatic corps of the Government of India or one of its subordinate provincial governments, in charge of a Political Residency. Persian Gulf Historically used by the British to refer to the sea area between the Arabian Peninsula and Iran. Often referred to as The Gulf or the Arabian Gulf. ; John Thorneycroft and Co Ltd; M.Worth, the Agency An office of the British Government and, earlier, of the East India Company. , Bahrain; Captain J.V. Creagh, Senior Naval Officer, Persian Gulf Historically used by the British to refer to the sea area between the Arabian Peninsula and Iran. Often referred to as The Gulf or the Arabian Gulf. Division. A.M. Yateem Bros, Bahrian.

Extent and format
1 volume (199 folios)
Arrangement

The papers are arranged chronologically from the rear to the front of the file.

Physical characteristics

There are a couple of incomplete foliation sequences and one complete foliation sequence. The complete sequence is circled in pencil, near the top of the recto The front of a sheet of paper or leaf, often abbreviated to 'r'. of each folio. It begins on the front cover, on number 1, and ends on the inside of the back cover, on number 182. Foliation errors: f.1 is followed by ff.1A-O; f.7 is followed by f.7A; f.13 is followed by f.13A

Written in
English and Arabic in Latin and Arabic script
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'Sea-going launch for the Political Agent, Bahrain. Corr. re: Kelvin Engine.' [‎1dr] (9/398), British Library: India Office Records and Private Papers, IOR/R/15/2/1101, in Qatar Digital Library <https://www.qdl.qa/archive/81055/vdc_100023628122.0x00000a> [accessed 16 June 2019]

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