Records of the Geological Survey of India, Volume 76, Part 10Geological Survey of India, 1942 - Earthquakes |
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Page 10
... Condenser films - obtained by splitting high quality block mica of sizes up to No. 4 , to a thickness of 001-008 inch , and used for the manufacture of condensers . Called " condenser splittings " in America . When cut to shape , called ...
... Condenser films - obtained by splitting high quality block mica of sizes up to No. 4 , to a thickness of 001-008 inch , and used for the manufacture of condensers . Called " condenser splittings " in America . When cut to shape , called ...
Page 53
... Condenser block . Condenser ⚫0136 Condenser ⚫0600 Condenser ⚫0217 Condenser · 0173 No. 3 and up Cleanings ⚫0592 T. T. ( Thumb - trimmed ) mica . No. 2 No. 3 No. 4 Electrical ⚫0013 Electrical • 2603 Electrical ⚫0309 .... Rejection ...
... Condenser block . Condenser ⚫0136 Condenser ⚫0600 Condenser ⚫0217 Condenser · 0173 No. 3 and up Cleanings ⚫0592 T. T. ( Thumb - trimmed ) mica . No. 2 No. 3 No. 4 Electrical ⚫0013 Electrical • 2603 Electrical ⚫0309 .... Rejection ...
Page 58
... condenser plates . The block mica used for washers and rings is generally the smaller sizes of electrical quality . This mica is stamped by punch press to standard sizes of washers , etc. , defective pieces are rejected . The wastage in ...
... condenser plates . The block mica used for washers and rings is generally the smaller sizes of electrical quality . This mica is stamped by punch press to standard sizes of washers , etc. , defective pieces are rejected . The wastage in ...
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Common terms and phrases
2nd quality albite amount approximately average Bihar Bihar mica Black dotted Black spotted block and splittings block mica built-up mica Calcutta Canada cleavage condenser films condenser plates countries country rock crude mica dealers diopside district electrical exported block feet felspar Geological Survey Giridih grade granite ground mica Heavily stained 1st high quality mica India Indian mica insulation Intermediate stained J. A. Dunn Kodarma Kodarma Reserved Forest large number larger sizes Lepidolite loose splittings M. S. Krishnan Madagascar Madras mainly manufacture mica belt mica exported mica industry mica mining mica produced mica splittings mica trade mica-schists micanite microcline miles muscovite obtained pegmatites percentage phlogopite potash felspar pyroxenite quality block mica quartz quartz core Rajputana Rajputana mica recent recorded ruby mica schists scrap mica sheet mica Short tons smaller solutions South stained 1st quality stoping Survey of India Table 13 trimmed United uparchalla veins washers