Chemical News and Journal of Physical Science, Tom 105Chemical news office., 1912 |
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Strona 1
... electricity is very poor , and it is difficult to manipulate so as to get an induction spark through , as it is ... Electric Co. , U.S.A ,, has prepared Hitherto the boron in a solid state and chemically pure . physical properties ...
... electricity is very poor , and it is difficult to manipulate so as to get an induction spark through , as it is ... Electric Co. , U.S.A ,, has prepared Hitherto the boron in a solid state and chemically pure . physical properties ...
Strona 2
... electric conductivity with slight increase in temperature . A piece of fused boron measured by Dr. Weintraub , which ... electrical resistance . When the two pole pieces are held in brass clips in front of the spectroscope the spark ...
... electric conductivity with slight increase in temperature . A piece of fused boron measured by Dr. Weintraub , which ... electrical resistance . When the two pole pieces are held in brass clips in front of the spectroscope the spark ...
Strona 12
... electric charges . Condensation of Acid Amines in presence of Glycerin . - L . C. Maillard . - When a mixture of glycocoll with four or five times its weight of glycerin is kept for some hours at 170 ° , most of the glycocoil is ...
... electric charges . Condensation of Acid Amines in presence of Glycerin . - L . C. Maillard . - When a mixture of glycocoll with four or five times its weight of glycerin is kept for some hours at 170 ° , most of the glycocoil is ...
Strona 14
... Electrical and ALL purposes . Contractors to His Majesty's Government . BLAGE HARR OLD PLATINUM IN ANY FORM PURCHASED FOR CASH . Highest prices allowed by ROBERT PRINGLE and SONS , Gold and Silver Refiners , & c . , 40 and 42 ...
... Electrical and ALL purposes . Contractors to His Majesty's Government . BLAGE HARR OLD PLATINUM IN ANY FORM PURCHASED FOR CASH . Highest prices allowed by ROBERT PRINGLE and SONS , Gold and Silver Refiners , & c . , 40 and 42 ...
Strona 14
... electric alternating current at 240 volts . A B are the upper and lower surfaces of a column of mercury contained in a barometer tube . Part of this mercury column is in series with the radiators and the current from the main , which ...
... electric alternating current at 240 volts . A B are the upper and lower surfaces of a column of mercury contained in a barometer tube . Part of this mercury column is in series with the radiators and the current from the main , which ...
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