Chemical News and Journal of Physical Science, Tom 104Chemical news office., 1911 |
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Strona 8
... standard of proficiency had been established for the lecturers who would follow him . That standard has been thoroughly well kept up by Professor Richards , to whose admirable and searching address we have listened with so much interest ...
... standard of proficiency had been established for the lecturers who would follow him . That standard has been thoroughly well kept up by Professor Richards , to whose admirable and searching address we have listened with so much interest ...
Strona 10
... standard lamp whose tint can be varied . The pyrometer is standardised by reference to an electric furnace , an arc ( 3500 ° C. ) and the sun ( 6500 ° C. ) . In the course of the general discussion which followed the reading of the ...
... standard lamp whose tint can be varied . The pyrometer is standardised by reference to an electric furnace , an arc ( 3500 ° C. ) and the sun ( 6500 ° C. ) . In the course of the general discussion which followed the reading of the ...
Strona 12
... STANDARD. CHEMICAL NEWS , July 7 , 1911 For DRAWING CHEMICAL SKETCHES . Price 6d . NIVOC PATENT STENCIL FEBECKER & CO HATTON WALL LONDON 7 일 11 BECKER HATTON WAY LONDON ORE CRUSHER and PULVERISER . Full details on application . BECKER ...
... STANDARD. CHEMICAL NEWS , July 7 , 1911 For DRAWING CHEMICAL SKETCHES . Price 6d . NIVOC PATENT STENCIL FEBECKER & CO HATTON WALL LONDON 7 일 11 BECKER HATTON WAY LONDON ORE CRUSHER and PULVERISER . Full details on application . BECKER ...
Strona 12
TEXT - BOOKS mistry . By A. W. Stewart STANDARD TEXT - BOOKS and PUBLICATIONS . Any of the undermentioned works , or others , can be obtained to order , and forwarded by post on receipt of instruc- tions accompanied by remittance to ...
TEXT - BOOKS mistry . By A. W. Stewart STANDARD TEXT - BOOKS and PUBLICATIONS . Any of the undermentioned works , or others , can be obtained to order , and forwarded by post on receipt of instruc- tions accompanied by remittance to ...
Strona 17
... standards are always handled by trained and skilled ob- servers , its comparative fragility is of small consequence . Modern methods of manufacturing and working silica have rendered it possible to construct a silica line - standard ...
... standards are always handled by trained and skilled ob- servers , its comparative fragility is of small consequence . Modern methods of manufacturing and working silica have rendered it possible to construct a silica line - standard ...
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