JUNE 29.] THE NEW ZEALAND GAZETTE. 2241

natural waters. The atmosphere; combustion; oxidation, the various classes of oxides. Acids, bases and salts. Chlorine and hydrogen chloride; nitrogen, ammonia and nitric acid; sulphur, sulphur dioxide and sulphuric acid. Carbon; the oxides of carbon; carbonates. The hydrocarbons, marsh gas and acetylene; flame. The metals: general methods of preparation of the metals and their commoner salts.

Questions will not be set on metallurgy or on technical processes of manufacture.

Practical Work.—The laboratory test will carry about 200 marks.—Simple exercises, which may include weighing and the measurement of volume of liquids and gases, will be set on the subjects of the preceding syllabus, for example:—

Estimation of soluble matter in a mixture; determination of a change of weight in a simple reaction; measurement of the gas evolved during solution of a metal. Observation of the behaviour of substances under the influence of heat and in simple chemical reactions. Preparation of the gases enumerated above; preparation of salts from metals and oxides by general methods. Volumetric determination of acids and alkalis.

Importance will be attached to accurate observation and to clear description of the work done. Where necessary, sufficient instructions will be given to enable candidates to apply their general knowledge of practical chemistry to the problem set.

ELEMENTARY ENGINEERING.—Applications in mechanism of elementary mechanical principles. Machines considered as means of (a) converting motion, (b) transmitting power. Simple examples. Velocity ratio. Mechanical advantage. Efficiency. Horse-power, how measured. Dynamometers. Indicator and indicator diagrams. Crank-effort in relation to piston thrust. Function of flywheel.

Elementary treatment of strength of materials. Tensile, compressive, and shearing stress. Elastic and non-elastic strain; elastic limit. Hooke’s law. Young’s Modulus of Elasticity. Behaviour of iron and steel in a testing-machine. Stress-strain diagrams. Simple examples of calculation of dimensions in relation to strength. Stresses in the members of frames where the members are jointed and loaded at the joints; graphic method.

Principle of the conservation of energy as applied in the steam-engine and other heat engines. Conversion of energy of fuel into heat, and heat into mechanical effect. Boiler and engine efficiency. Common forms of engines and boilers, and general features of action. Properties of steam. Expansion of steam in the cylinder. Compound expansion. The slide valve. Governing of engines. Types of steam turbines. Internal-combustion engines using gas or oil. The four-stroke cycle.

NOTE.—Copies of the Question Papers set at the examination in June—July, 1913, and other particulars are contained in the “Reprint of the Papers set at the Army Entrance Examinations, &c., June and July, 1913.” This publication (price 1s.) can be purchased either directly or through any bookseller from Wyman and Sons (Limited), Fetter Lane, E.C., and 54 St. Mary Street, Cardiff; or H.M. Stationery Office, 23 Forth Street, Edinburgh; or E. Ponsonby (Limited), 116 Grafton Street, Dublin.

Results of Election of Trustees of Drainage Districts.

Department of Internal Affairs,
Wellington, 23rd June, 1916.

THE following results of the election of trustees of drainage districts have been received from the Returning Officers, and are published in accordance with the provisions of the Land Drainage Act, 1908.

J. HISLOP,
Under-Secretary.

Mangawara Drainage District, County of Waikato—
R. W. G. Rutherford.
W. Sklenars.
J. B. Westlake.
E. L. Tucker.
W. M. Duffus.

Elstow Drainage District, Counties of Ohinemuri and Piako—
Jesse Albert Clothier.
George William Horn.
Albert Davey.
Edward Fitton.
William George Cooper.

Prohibition of Money-order and Postal Correspondence.

THE Postmaster-General of the Dominion of New Zealand having reasonable ground for supposing that the persons whose names or titles and addresses are shown in the Schedule hereunder are engaged in promoting or carrying out a lottery or scheme of chance, it is hereby ordered under section 28 of the Post and Telegraph Act, 1908, that no money-order in favour of the said persons shall be issued, and that no postal packet addressed to the said persons (either by their own or any fictitious or assumed names) shall be either registered or forwarded by the Post Office of New Zealand.

SCHEDULE.

THE HON. TREASURERS, Queen Carnival Art Union, Perth, W.A.

Dated this 23rd day of June, 1916.

J. G. WARD,
Postmaster-General.

Plant declared to be a Noxious Weed by the Waimea County Council.—Notice No. 1837.

Department of Agriculture, Industries, and Commerce,
Wellington, 22nd June, 1916.

IT is hereby notified for public information that the Waimea County Council has, by special order, declared foxglove to be a noxious weed within the meaning of the Noxious Weeds Act, 1908, in the district under its jurisdiction.

W. D. S. MACDONALD,
Minister of Agriculture.

Plant declared to be a Noxious Weed by the Frankton Borough Council.—Notice No. 1838.

Department of Agriculture, Industries, and Commerce,
Wellington, 23rd June, 1916.

IT is hereby notified for public information that the Frankton Borough Council has, by special order, declared gorse to be a noxious weed within the meaning of the Noxious Weeds Act, 1908, in the district under its jurisdiction.

W. D. S. MACDONALD,
Minister of Agriculture.

Plant declared to be a Noxious Weed by the Wellington City Council.—Notice No. 1840.

Department of Agriculture, Industries, and Commerce,
Wellington, 27th June, 1916.

IT is hereby notified for public information that the Wellington City Council has, by special order, declared fennel to be a noxious weed within the meaning of the Noxious Weeds Act, 1908, in the district under its jurisdiction.

W. D. S. MACDONALD,
Minister of Agriculture.

Public Service Stores Tender Board.—Supply and Delivery of Stores.

Wellington, 21st June, 1916.

TENDERS will be received at the office of the Chairman, General Post Office, Wellington, not later than 4 p.m. on Wednesday, the 16th August, 1916, for the supply and delivery, C.I.F. and E., Wellington, of

4,500 cords, telephone, 3-conductor.
4,000 switchboard plugs.
550 wicker baskets.
300 wire table-trays.
250 cash-boxes.
3,555,000 envelopes.

Particulars and conditions of tendering may be obtained at the office of the Controller of Stores, Post and Telegraph Department, Wellington, the District Storekeeper, Post and Telegraph Department, Christchurch, or at the offices of the Telegraph Engineers at Auckland and Dunedin.

J. ORCHISTON,
Chairman.