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of an indicator diagram in an ordinary or a compound engine. Calculation of the work upon the piston by means of the indicator diagram; meau ettirt determined by this measurement; case of an ordinary or a compound engine. Determination of the effective force on the shaft. Determination of the nominal force of ordinary and compound engines at high and at low pressure. Value of nominal horse-power in kilogrammeters. Calculation of the expenditure of steam. Determination by the indicator diagram of the necessary elements for this calculation. Comparison between the pressures as shown by the indicator and the real pressures of the boiler and condenser. Comparison between the pressures shown by the indicator in the small and large cylinders of a compound engine during their communication. Forms of indicator diagram in the case of running with variable cut-off, with an almost comple te closing of the throttle, in case of high-pressure engine, of leaks, of priming, of bad arrangements of the indicator, &c. Comparative forms of iudicator diagrams,

of small and large cylinders in compound engines. Approximate measurement of the work of air-pups. Calculation of the thrust of the

propelling instrument when the work upon the pistou and the speed of the vessel are known.

NOTE 0.

ROUTINE ON BOARD THE GERMAN CADETS' PRACTICE-SHIP.

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2 to 3

Instruction upon the ship and Infantry-drill on shore

rigging; elementary princi. or target-practice. ples of exercising with sails.

Instruction upon the ship and rigging; element. Infantry-drill on shore
ary principles of exercising with sails.

or target-practice.

Writing up log.book.

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WEEKLY ROUTINE AFTER THE FIRST FOUR WEEKS.

Thursday.

Friday.

Saturday.

Exercise with sails.

Clearing ship for action;

exercise with greatguns.

Exercise in boats with

sails and oars.

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Hour.

Monday.

Tuesday.

Wednesday.

9.30 to 11.30

Exercise with sails.

Exercise with sails.

2 to 4

Exercise with grent- Exercise with sails or Exercise with great-guns Exercise with sails or guns or instruction instruction in seaman- or instruction in gun.

instruction in seamanin gunnery. ship. nery.

ship.

Exercise with small. Writing up log book and

inspection of clothing.

arms.

IN PORT.

4.30

Muster and maneuvering.

4.45 to 5.30.

9.30 to 11.30

Exercise with sails or Exercise with great-guns Exercise with sails or

instruction in sea- or instruction in gun- instruction in seaman. manship. nery.

ship.

Exercise with sails or Clearing ship for action; Heaving the lead or in

instruction in seaman. exercise with great- struction in navigation. ship.

guns.

2 to 4

Heaving the lead or Rigging and sail-making. Exercise with small-
instruction in pavi.

arms.
gation.

AT SEA.

Heaving the lead or in

struction in naviga-
tion.

Rigging and sail-making. Writing up log book and

inspection of clothing.

4.30

Muster and maneuvering (reefing, &c.).

5 to 5.30

Instruction in official duties, seamanship, and navigation.

2 Session.

No. 52.

REPORT

ON THE

TRAINING SYSTEMS

FOR THE

NAVY AND MERCANTILE MARINE OF ENGLAND,

AND ON THE

NAVAL TRAINING SYSTEM OF FRANCE,

MADE TO THE

BUREAU OF EQUIPMENT AND RECRUITING, U. S. YAVY

DEPARTMENT, SEPTEMBER, 1879.

BY

LIEUTENANT COMMANDER F. E. CHADWICK,

U. S. NAVY.

WASHINGTON:
GOVERNMENT PRINTING OFFICE.

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