Great facts, a popular history of inventions during the present century |
Expressions et termes fréquents
acid action adopted afterwards apparatus application arrangement boat boiler bridge Britannia Bridge camera circuit clocks cloth coal gas coloured communication connected constructed contrived copper cylinder deflections deposited diameter Diorama disc effect electric current Electric Telegraph electro-magnet employed engraving exhibited experiments Fcap feet fire fixed force glass gutta percha heat hydrogen images impression improvements inches instrument insulated invention inventor iron letters Leyden jar light Lithography locomotive engines London magnetic manner means mechanical Menai Straits ment metal needle needle telegraph nitric acid objects obtained paddle-wheel paper passes patent pendulum perfect phosphorus photographs picture pier pipe piston placed plate practical present pressure principle produced propeller purpose quantity railway Revolver rollers rotating Royal Albert Bridge Saltash screw seen sheet silver solution steam carriages steam engine Steam Navigation steam-boat Stereoscope stone success sufficient surface tartaric acid tion tons transmitted tube vessel voltaic battery wheels whilst wire
Fréquemment cités
Page 16 - Notwithstanding the wind and tide were adverse to its approach, they saw with astonishment that it was rapidly coming towards them; and when it came so near...
Page 16 - ... others prostrated themselves, and besought Providence to protect them from the approach of the horrible monster which was marching on the tides, and lighting its path by the fires which it vomited.
Page 188 - And when I had a Mind to divert Strangers or Friends, I have frequently taken one of these Bladders, and pricking a Hole therein with a Pin, and compressing gently the Bladder near the Flame of a Candle till it once took Fire, it would then continue flaming till all the Spirit was compressed out of the Bladder; which was the more surprising, because no one could discern any Difference in the Appearance between these Bladders and those which are filled with common Air.
Page 8 - A Description and Draught of a new-invented Machine, for carrying Vessels or Ships out of, or into, any Harbour, Port, or River, against Wind and Tide, or in a calm.
Page 4 - Indices have been prepared with great care, and alone occupy upwards of 600 pages. A vast fund of valuable information, embracing every subject of interest or utility, is thus attainable, and at a merely nominal cost. These really useful books are so cheap, and in such general demand, that the Sale has already reached considerably upwards of ONE AND A HALF MILLION VOLUMES. I consider the publication of these works most important, and rejoice heartily In their extensive circulation."— Lord BROUGHAM...
Page 70 - When the shadow of any figure is thrown upon the prepared surface, the part concealed by it remains white, and the other parts speedily become dark.
Page 188 - I have frequently taken one of these bladders and pricked a hole therein with a pin, and compressing gently the bladder near the flame of a candle till it once took fire, it would then continue flaming till all the spirit was compressed out of the bladder...
Page 48 - ... an hour. At Parkside, seventeen miles from Liverpool, the engines stopped to take in water. Here a deplorable accident occurred to one of the most distinguished of the illustrious visitors present which threw a deep shadow over the subsequent proceedings of the day. The "Northumbrian...
Page 70 - The copy of a painting, or the profile, immediately after being taken, must be kept in an obscure place. It may indeed be examined in the shade, but, in this case, the exposure should be only for a few minutes; by the light of candles or lamps, as commonly employed, it is not sensibly affected.
Page 70 - After the colour has been once fixed on the leather or paper, it cannot be removed by the application of water, or water and soap, and it is . in a high degree permanent.