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20 fathoms angle appears Belfast bluish boat Boyne Viaduct breadth British Association cargo caryopsis colour Committee common considered Copeland Islands dead dead dead dead living dead deep water deflection depth diameter differential coefficients differential equations displacement dredged engine experiments fathoms function girder give given Groomsport gross register tonnage horse-power Hull Ibid Imports inches Indies integrals Iron Iron Iron Jacobi length life-boats Linn living living dead living living living load lode longitude Lough maxima and minima mean temperature measurement memoir meteors North Shields observations obtained Paddle partial differential equation plant platform Point Barrow present problem proportion quantity rare dead reflecting telescope register tonnage remarks Report sand from deep Schreibersite Screw seed shell sand ships species stars Strangford Lough surface suspension bridge Table telescope theorem theory tion tons tube valves variables vessels weight Whiteinch
Page 88 - ... feet, divide each depth into four equal parts ; then measure the inside horizontal breadth at each of the three points of division, and also at the upper and lower points of the depth extending each measurement to the average thickness of that part of the ceiling which is between the points of...
Page 88 - ... area (except the first and last) by two ; add these products together, and to the sum add the first and last if they yield anything; multiply the quantity thus obtained by one-third of the common interval between the areas, and the product will be the cubical contents of the space under the tonnage deck...
Page 88 - ... at each point of division of the length as follows: Measure the depth at each point of division from a point at a distance of one-third of the round of the beam below such...
Page 20 - When you have proved that the three angles of every triangle are equal to two right angles...
Page 89 - ... in a direction perpendicular to the keel from the height so marked on the outside of the ship on the one side to the height so marked on the other side by passing a chain under the keel...
Page lix - ... probably quite large enough to supply the wants of the human family to the end of its sojourn here. It has been calculated that an amount of condensation, which would diminish the diameter of the Sun by only the ten-thousandth part, would suffice to restore the heat emitted in 2000 years.
Page 89 - Measure the length on the tonnage deck from the outside of the outer plank at the stem to the aftside of the stern-post, deducting therefrom the distance between the aftside of the stern-post and the rabbet of the stern-post at the point where the counter plank crosses it; measure also the greatest breadth of the ship to the outside of the outer planking or wales, and then, having first marked on the outside of the...
Page xvii - To give a stronger impulse and a more systematic direction to scientific inquiry, — to promote the intercourse of those who cultivate Science in different parts of the British Empire, with one another, and with foreign philosophers, — to obtain a more general attention to the objects of Science, and a removal of any disadvantages of a public kind, which impede its progress.
Page 88 - No. 1 being at the extreme limit of the length at the bow, and the...