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- :exsize3.scr
-
- if memory 1 ! 10 goto exit
- if memory 2 > 0 goto lesson2
- goto start_lesson
-
- :repeat_lesson
- bkey r
- bkey '
-
- :start_lesson
- clear 15
-
- cursor 22 19
- print 'Press any key to start lesson 12.
- wait -
- clear 19 19
-
- clear 15
- cursor 2 16
- print 'I have extracted a good deal of text for lesson 12. It is split into 3 parts
- cursor 0 17
- print 'all roughly the same size. At the start of each part I will update the clock
- cursor 0 18
- print 'rate according to how well you have done so far.
-
- pass 90
- if auto ! 0 auto
- script - stspeed
-
- script - waitspc
- start 2
-
- :again
- start 3
-
- clear 15
- cursor 9 16
- print 'The average newspaper reader, glancing over a report of
- cursor 9 20
- print 'the latest shipping disaster, rarely pauses to consider
- cursor 9 16
- test -
- scroll 4 15 22
- cursor 9 20
- print 'the amount of labour and capital annually devoted to the
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'saving of unfortunate vessels from total destruction.
- enter
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'Yet the hospital bill of the shipping runs up to a sum of
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'considerable magnitude every year. Hope springs eternal in
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'the breast of the marine insurance agent, and no matter
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'how remote may appear the prospects of saving a wrecked
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'vessel, no effort is spared to achieve that end.
- enter
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'As a case in point, it would be difficult to pick a better
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'example than the salving of the liner Paris last summer.
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'Firmly fastened in the grip of the treacherous Manacle
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'rocks, she defied the united efforts of a fleet of
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'tug-boats for week after week.
- enter
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'Hope had been almost abandoned by everyone, when, just as
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'the last ray was flickering out, the crew of a German
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'salvage boat decided to make an final effort to dislodge
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'the unfortunate liner from her perilous position. To their
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'unbounded suprise and delight their effort was successful,
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'and it only requires a course of treatment in dry-dock to
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'render the Paris as seaworthy as ever again.
- enter
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'The treatment of an injured vessel is a very interesting
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'operation, or, rather, series of operations. Pitiable as
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'is the spectacle of a beautiful vessel with a huge hole
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'gaping in her side, her case is by no means so hopeless as
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'the unitiated might imagine. If she has been the victim
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'of a collision anywhere near shore, an effort is at once
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'made to beach her. Then a large patch is placed over the
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'hole, which permits the disabled vessel to be towed to the
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'dry-dock where she is to be laid up for repairs.
- enter
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'Sometimes, however, the ingress of water into the ship's
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'hold is prevented by the bulkheads of the vessel itself,
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'and then the vessel can be towed into dock without
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'undergoing this operation. Even should she absolutely
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'sink, marine science may still save her, provided she has
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'not gone down in very deep water. The raising of sunken
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'ships is, indeed, one of the most marvellous phases of
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'marine engineering.
- enter
- cursor 9 16
- test -
-
- cursor 9 20
- test -
-
- script - sofar
- if accuracy 3 < 90 goto again
- if key = R goto repeat_lesson
- if key = r goto repeat_lesson
-
- memory 2 = 1
- goto start_lesson2
-
- :lesson2
- if memory 2 > 1 goto lesson3
- goto start_lesson2
-
- :repeat_lesson2
- bkey r
- bkey '
-
- :start_lesson2
- clear 15
- cursor 26 18
- print 'Now for part 2 of lesson 12.
-
- pass 90
- if auto ! 0 auto
- script - stspeed
-
- script - waitspc
- start 2
-
- :again2
- start 3
-
- clear 15
- cursor 9 16
- print 'A dry-dock, or, as it can very appropriately be called, a
- cursor 9 20
- print 'ship's hospital, is a huge basin for the accommodation of
- cursor 9 16
- test -
- scroll 4 15 22
- cursor 9 20
- print 'vessels which, through accident or overwork, require
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'repairing. Most large seaport towns possess such docks,
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'which, though they vary in size considerably, are all
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'constructed on the same principle, with the exception that
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'some are closed by ordinary lock gates, and others by what
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'is known as a caisson.
- enter
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'A caisson is a kind of floating dam that can be raised or
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'lowered at will by simply filling it with water, or
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'emptying it, as the case requires. At the bottom are
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'sluices by means of which the water in the dock itself can
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'be exhausted after the vessel has been placed in position.
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'On each side of the dock are rows of steps sloping inwards
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'to the bottom, giving the sides something of the
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'appearance of the gallery of a theatre.
- enter
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'England possesses the largest dry-dock in the world. It is
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'the property of the Mersey Board, and is over 900 feet in
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'length. It was in this dock that the Oceanic was
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'overhauled before making her maiden trip from Liverpool to
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'New York. It is called the Canada graving-dock, and is
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'undoubtedly the finest in the world, and possibly the only
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'one capable of accommodating the s.s. Oceanic.
- enter
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'When manoeuvring an injured vessel into dry-dock, the very
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'greatest care is necessary, as an error of a few inches
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'may mean the loss of some hundreds of pounds. Along the
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'bottom of the dock is a series of large oak or elm blocks,
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'and the aim of the officer is to get his ship in such a
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'position that when the water is exhausted she will settle
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'down evenly along these blocks, so that each will bear its
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'fair proportion of the strain. In the case of a large
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'battleship of, say, 10,000 tons displacement, it can be
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'understood that when she settles down upon about 80 of
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'these blocks the strain on each must be enormous, and
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'unless the vessel is truly placed, an undue strain will be
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'thrown on some of the blocks, with serious results.
- enter
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'Before a vessel of this sort is docked, an elaborate
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'docking plan is prepared. Carefully executed drawings of
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'the vessel are consulted in order to ascertain the exact
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'shape and length of the keel, the rudder, the propeller,
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print '&c. Measurements of the dock are submitted to the chief
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'officer of the vessel, and he himself then drafts out a
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'plan mathematically correct to a fraction of an inch. The
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'exact position of the bow and stern has also to be very
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'carefully marked out, and also the arrangement of the keel
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'blocks.
- enter
- cursor 9 16
- test -
-
- cursor 9 20
- test -
-
- script - sofar
- if accuracy 3 < 90 goto again2
- if key = R goto repeat_lesson2
- if key = r goto repeat_lesson2
-
- memory 2 = 2
- goto start_lesson3
-
- :lesson3
- if memory 2 > 2 goto exit
- goto start_lesson3
-
- :repeat_lesson3
- bkey r
- bkey '
-
- :start_lesson3
- clear 15
- cursor 23 18
- print 'And now for the rest of lesson 12.
-
- pass 90
- if auto ! 0 auto
- script - stspeed
-
- script - waitspc
- start 2
-
- :again3
- start 3
-
- clear 15
- cursor 9 16
- print 'When the vessel has ultimately been manoeuvred into the
- cursor 9 20
- print 'dock, the water is exhausted by the aid of steam pumps,
- cursor 9 16
- test -
- scroll 4 15 22
- cursor 9 20
- print 'and she slowly subsides on the row of keel blocks. As the
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'vessel sinks, the officer is able to judge if she is
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'settling down correctly. When the water has all been
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'exhausted, men immediately place supporting blocks all
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'around the vessel, and long, strong poles are stretched at
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'various points from the steps of the dock to the sides of
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'the vessel.
- enter
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'The vessel is thus firmly secured and ready for medical
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'treatment. The temporary patches are speedily removed,
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'after which the steel plates that have been injured are
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'unriveted, leaving the skeleton of the vessel exposed to
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'view. A little later, and the clang of hammers resounds as
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'fresh plates are being riveted in. Easy as this may read,
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'the operations are fraught with considerable danger, and
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'the lives of the workers are in constant jeopardy.
- enter
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'It requires considerable nerve to stand upon a narrow
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'plank, scarely more than a foot in width, with a yawning
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'basin underneath you, and huge, weighty plates of steel
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'swinging above your head. But these sturdy sons of toil
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'treat the danger with the contempt born of familarity. A
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'fall of forty feet may be possible, but they show not the
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'slightest trace of concern.
- enter
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'The hole in the bow of s.s. Port Victor is a fearful one,
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'and the vessel had to be towed into dock stern foremost in
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'a sinking condition. The damage done in a collision off
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'Folkestone. So terrible was the impact that the bow of the
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'Port Victor was actually lifted right on to the deck of
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'the other vessel, which sank almost instantly, but not
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'before she had completely wrenched away nearly the whole
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'of the bow of the Port Victor. The vessel was dry-docked
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'in the yard at Blackwall, and was repaired in the
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'remarkably quick time of thirty two working days.
- enter
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'Two other unfortunate traders were the s.s. Nerissa and
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'the s.s. Dauntless, both of which were the victims of
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'collisions. The collier Dauntless was run into the North
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'Sea, and it cost almost 1,500 pounds to put her injuries right
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'again. The Nerissa had her bow sadly battered by another
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'vessel in the Thames, but her injuries were not so serious
- cursor 9 16
- test -
-
- scroll 4 15 22
- cursor 9 20
- print 'as those of the Dauntless.
- cursor 9 16
- test -
-
- cursor 9 20
- test -
-
- script - sofar
- if accuracy 3 < 90 goto again3
- if key = R goto repeat_lesson3
- if key = r goto repeat_lesson3
-
- memory 2 = 0
-
- memory 1 = 11
-
- clear
- cursor 51 7
- print '12
- script save
-
- if key ! C if key ! c goto exit
- clear
- keyboard
-
- :exit