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Class 52.—Machines and Apparatus in general.

139 .Alderson & Sons, 101 York-st., Sydney.—Machine belts, hose-leather; fire-buckets, solid leather and riveted.

140 Forster, S., & Sons, 106 Harrington-st., Sydney.—Mackenzie's patent differential compound steam-engine.

141 Hack, H. J. C., 74 Bay-st., Glebe.—Electric machine for doing away with quicksilver and acid.

142 KnibbS, J. H., Municipal Stores, Market-wharf, Sydney.—Leather mill-belting, fire-engine hose, laces, fastenings, &c.

143 Marshall, A. A., & Co., 8 Macquarie-place, Sydney.—Couplings, brass castings, patent window fastenings.

144 Mort's Dock & Engineering Co., Sydney.—Compound launch-engines, 12-h.p. (nominal), non-condensing, compound.

145 Pitkethly, R., 210 Bourke-st.—Windmill.

146 Smith & Hamilton, Sussex-st., Sydney.—Gas machinery, plumbers' and engineers' work.

147 Warren. W., Eden, Twofold Bay.—Compressor washing-machine.