English Mechanic and Mirror of Science and Art, Volume 20

action alizarine ammonia angle aniline anthracene apparatus appears bass body boiler brass Caledonia carbonic acid centre charcoal chemical chord coal colour correspondent Covent Garden cylinder diameter effect electric ellipse engine ENGLISH MECHANIC equal experiments fact flat force give given glass glycerine harmonium heat holes horizontal hydrogen improvements inch instrument iron length letter light liquid machine magnetic matter means ments metal method microscope motion object observed obtained ordinary oxygen paper pass piece pipes piston pitcher plants plate polishing potash present pressure produced pump quantity query readers resistance Right Ascension Sarracenia sewer gas shellac side solution stars steam stroke substance sulphate sulphuric sulphuric acid suppose surface surface plate telescope temperature tion tube velocity violin weight wheel wire wood zinc