Report of the State Mineralogist of California from ..., Volumes 1-2State Office, 1882 - Geology |
From inside the book
Results 6-10 of 69
Page 48
... thickness varies from a few inches to five or six feet in depth , to distinguish them from deep placers , or ... thick and seven inches deep . Thus an opening 250 inches long and four inches wide , with a pressure of seven inches ...
... thickness varies from a few inches to five or six feet in depth , to distinguish them from deep placers , or ... thick and seven inches deep . Thus an opening 250 inches long and four inches wide , with a pressure of seven inches ...
Page 55
... thick , and weighs 3.35 pounds to the square foot ; No. 16 is 0.065 of an inch thick and 2.63 pounds to the foot . Persons having no practical experience , will generally make their pipes unnecessarily heavy . The manufacture of iron ...
... thick , and weighs 3.35 pounds to the square foot ; No. 16 is 0.065 of an inch thick and 2.63 pounds to the foot . Persons having no practical experience , will generally make their pipes unnecessarily heavy . The manufacture of iron ...
Page 57
... thickness of the iron used , weight , pressure , etc .: TABLE NO . 6 . HEAD - IN FEET . Pressure- pounds to square inch Number of iron . Thickness of iron , in inches . Weight of iron per square foot . Rivets used . One hundred and ...
... thickness of the iron used , weight , pressure , etc .: TABLE NO . 6 . HEAD - IN FEET . Pressure- pounds to square inch Number of iron . Thickness of iron , in inches . Weight of iron per square foot . Rivets used . One hundred and ...
Page 58
... thickness of iron required gives a datum for computing the comparative cost of cast - iron and of wrought - iron pipe ; three eighths wrought iron sustains here a pressure of three hun- dred and ninety - one pounds to the square inch ...
... thickness of iron required gives a datum for computing the comparative cost of cast - iron and of wrought - iron pipe ; three eighths wrought iron sustains here a pressure of three hun- dred and ninety - one pounds to the square inch ...
Page 60
... THICKNESS . TABLE NO . 9 . Weight of Sheet and Plate Wire - Thickness by Birmingham Wire Gauge and Inches - Weight of a Square Foot in Pounds . No. 16 No. 18 No. 20 1818 THICKNESS . Weight . Pounds . Weight . Pounds . B. W. Gauge . Part ...
... THICKNESS . TABLE NO . 9 . Weight of Sheet and Plate Wire - Thickness by Birmingham Wire Gauge and Inches - Weight of a Square Foot in Pounds . No. 16 No. 18 No. 20 1818 THICKNESS . Weight . Pounds . Weight . Pounds . B. W. Gauge . Part ...
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