Chemical News and Journal of Industrial Science, Tomy 121-122Chemical news office., 1920 |
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Strona 6
... manufacture of a host of useful articles . It loses its adhesiveness , becomes resistant to temperature changes , and exhibits greatly enhanced strength , elasticity , and durability . A year or two later Hancock , in England ...
... manufacture of a host of useful articles . It loses its adhesiveness , becomes resistant to temperature changes , and exhibits greatly enhanced strength , elasticity , and durability . A year or two later Hancock , in England ...
Strona 18
... manufacture of optical glass there was a great demand for higher grade | refractories than were available previously . That was not only due to the mechanical properties of the clay , but for optical purposes it was essential With that ...
... manufacture of optical glass there was a great demand for higher grade | refractories than were available previously . That was not only due to the mechanical properties of the clay , but for optical purposes it was essential With that ...
Strona 19
... MANUFACTURE , USES IN INDUSTRY , AND FACTORS AFFECTING THEIR SELECTION . * By WALLACE T. MONTAGUE . Pre- GRINDING is one of the most ancient of arts . historic man shaped his instruments of stone and later of metal by rubbing them on ...
... MANUFACTURE , USES IN INDUSTRY , AND FACTORS AFFECTING THEIR SELECTION . * By WALLACE T. MONTAGUE . Pre- GRINDING is one of the most ancient of arts . historic man shaped his instruments of stone and later of metal by rubbing them on ...
Strona 20
... manufacture of grinding wheels . Manufacturing Processes . - Grinding wheels are manufactured by four processes - vitrified , silicate , elastic and rubber . By far the larger proportion of grinding wheels is manufactured by the ...
... manufacture of grinding wheels . Manufacturing Processes . - Grinding wheels are manufactured by four processes - vitrified , silicate , elastic and rubber . By far the larger proportion of grinding wheels is manufactured by the ...
Strona 41
... manufacture of table - ware and other articles , wherein the actual glass itself was a comparatively small factor , and the bulk of the cost of each article consisted in the labour expended upon it . During the war we were called upon ...
... manufacture of table - ware and other articles , wherein the actual glass itself was a comparatively small factor , and the bulk of the cost of each article consisted in the labour expended upon it . During the war we were called upon ...
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acid added amount analysis appears application Association atomic BEDMINSTER British carbon carried cent CHEMICAL Chemistry chloride coal colloid complete compounds concentration considerable containing continued copper crystals Department deposits determined effect electric elements Engineers experiments fact filtered further give given grms heat hydrogen important increase indicate industry Institution interest iron known lead less limit liquid LONDON manufacture material matter means measure metal method minerals nature NOTES observed obtained Office oxide passed period physical plant position possible practically precipitate prepared present pressure probably production published pure quantity regard removed Research Royal salt sample separated shown Society sodium solution steel structure substance sulphuric surface Table taken temperature theory tion University VBCO VBCO VBCO volume weight