Free eBooks - Technology & Engineering - General
Total eBooks in selected subject: 3
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This eReport opens by reviewing differences between processing online transactions and processing queries and analyses in a data warehouse. It then discusses Oracle Exadata and Netezza TwinFin from perspectives of their query performance, simplicity of operation and value. more...
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HOW NEWSPAPERS ARE MADE.
We will suppose that it is a great newspaper, in a great city, printing daily 25,000, or more, copies. Here it is, with wide columns, with small, compact type, with very little space wasted in head lines, eight large pages of it, something like 100,000 words printed upon it, and sold for four cents—25,000 words for a cent. It is a great institution—a power greater than a ... more...
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THE STEAM-ENGINE.
What is steam?—The mechanical energy of steam—The boiler—The circulation of water in a boiler—The enclosed furnace—The multitubular boiler—Fire-tube boilers—Other types of boilers—Aids to combustion—Boiler fittings—The safety-valve—The water-gauge—The steam-gauge—The water supply to a boiler.
WHAT IS STEAM?
If ... more...
