cover image: Bulletins of Indian Industries & Labour  No. 15. Notes on Mica

Premium

20.500.12592/74fm7j

Bulletins of Indian Industries & Labour No. 15. Notes on Mica

1923

Chief attention is paid to the industrial uses of the minerals specifications and standards of quality demanded in the trades concerned the general methods of the markets and the sources of competing supply. [...] The depth to which such quarries can be worked successfully is limited by the stability of the walls the accumulation of the spoil heaps in the vicinity and the water level. [...] The enormous expansion of the electrical trade has depended on the unique propeties possessed by mica and they also enabled the mineral to play a most important part in the war for the developments of wirless telegraphy of aeronautical engineering and of motor transport would have been impossible without it.1921 ) COGGIN BROWN : Notes on Mica The United States of America is the only co [...] African amber ' is the muscovite from the Transvaal and Tanganyika.* The following descriptions of mica are taken from the catalogue of an English firm of mica merchants and are given here to show hoW the various terms and descriptions are understOod by the trade. [...] The position of the broker in the mica business is an exceedingly strong one due in a great measure to the fact that according to most of the merchants manfacturers and others consulted in the United Kingdom although a few of the firms maintain a regular standard of quality most Indian mica is very badly prepared sorted and packed while the invoiced 'sizes and qualities are often superio
commerce industry
Pages
55
Published in
India
SARF Document ID
sarf.100087
Segment Pages Author Actions
Cover
i-ii J. Brown view
Frontmatter
i-vi J. Brown view
Bulletins of Indian Industries & Labour No. 15. Notes on Mica
1-45 J. Brown view
Backmatter
i-ii J. Brown view

Related Topics

All