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easy equations in one or two unknowns; easy transformations and simplifications of formulae, and in easy cases, finding any one of several quantities in a formula when the others are given; practice in algebraic manipulation generally; the determination of the numeral values of constants in equations of known form, when particular values of the variables are given; the meaning of the expression "A varies as E"; factors.
3.
Trigonometry. Measurement of angles; meaning of sine, cosine, tangent; verifying simple formulae; easy solutions of tri-
-angles.
Plane Goemetry. W
Class II.
PRACTICAL GEOMETRY.
The use of scales; the construction and measure- -ment of angles in degrees and radians by the use of a protractor or scale of chords; proportional divisions of lines and other illustrations of the propositions of the sixth book of Euclid; the construction of triangles, polygons, and other plane figures; reduction and enlargement of figures.
Class II.
MECHANICS.
The course of instruction will consist of a practical demonstra-
-tion of the first principles of Mechanics. Students will be given the opportunity of carrying out the experiments for theu-
-selves.
The lever; parallelogram and triangle of forces; centre of gravity of various solids; units of force, work, energy, power; specific gravities of solids and fluids; Archimedes' principle; the hydro-
-meter.
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