Brass Manufacture.232. Copper and Zinc Manufacture.217. Steel Manufacture.
218. Buckles.
219. Edge Tools.
220. Electrical Machines.
221. Fire Arms.
222. Knives and Forks.
223. Needles.
224. Pens
225. Philosophical Apparatus.
226. Saws.
227. Scissors.
228. Spectacles.
229. Surgical Instruments.
230. Telescopes.
231. Thermometers.