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Books Bücher 1 - 10 von 20 in On deck protected" the cylinders shall be protected from the direct rays of the sun...
" On deck protected" the cylinders shall be protected from the direct rays of the sun by means of structural erections or awnings. Tarpaulins covering cylinders and in contact therewith are not considered adequate protection. Protection by use of wood dunnage... "
Bulletin - Seite 59
1907
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Report

Maryland Geological Survey - 1898
...observed in the measurement of all horizontal angles in the primary triangulation. EIGHT-INCH THEODOLITE. The instrument should have a stable support, which...a tent fly. It should also be shielded from winds which may jar or twist either it or its support. The foot screws of the instrument after it is leveled...
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Report, Band 2

Maryland Geological Survey - 1898
...INSTRUCTIONS FOR THE MEASUREMENT OF HORIZONTAL ANGLES. MARYLAND GEOLOGICAL SURVEY. EIGHT-INCH THEODOLITE. The instrument should have a stable support, which...a tent fly. It should also be shielded from winds which may jar or twist either it or its support. The foot screws of the instrument after it is leveled...
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Report

Maryland Geological Survey - 1898
...INSTRUCTIONS FOR THE MEASUREMENT OF HORIZONTAL ANGLES. VOLUME II, PLATE XXXIX. EIGHT-INCH THEODOLITE. The instrument should have a stable support, which...a tent fly. It should also be shielded from winds which may jar or twist either it or its support. The foot screws of the instrument after it is leveled...
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Report

Maryland Geological Survey - 1898
...observed in the measurement of all horizontal angles in the primary triangulation. EIGHT-INCH THEODOLITE. The instrument should have a stable support, which...a tent fly. It should also be shielded from winds which may jar or twist either it or its support. The foot screws of the instrument after it is leveled...
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Maryland Geological Survey, Band 2

Maryland Geological Survey - 1898
...THEODOLITE. The instrument should have a stable support, which may be a stone pier, a wooden post, or a pood tripod. If a portable tripod is used, its legs should...a tent fly. It should also be shielded from winds which may jar or twist either it or its support. The foot screws of the instrument after it is leveled...
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Manual of Topographic Methods

Henry Gannett - 1906 - 88 Seiten
...focal distance is 16J inches. The telescope with the eyepiece commonly used has a power of about .'50 diameters. The circle is read by means of two microscopes...means of an umbrella or a piece of canvas like a tent %. It should also be shielded from winds that might jar or twist either it or its support. The foot...
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The Areas of the United States, the States, and the Territories

Henry Gannett - 1906 - 9 Seiten
...of fine threads in the field of the microscope. INSTRUCTIONS FOR MEASUREMENT OF HORIZONTAL ANGLKS. The following general precautions should be observed...it is leveled for work, should be tightly clamped. Ix>oseness of the foot screws and tripod is a common source of error, especially with small instruments....
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Monographs of the United States Geological Survey, Band 22

Geological Survey (U.S.) - 1893
...threads in the field of the microscope. Flo. 7.— Eight-inch Theodolite, detail. INSTRUCTIONS FOR THE MEASUREMENT OF HORIZONTAL ANGLES. The following general...a tent fly. It should also be shielded from winds which may jar or twist either it or its support. The foot screws of the instrument after it is leveled...
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The Code of Federal Regulations of the United States of America

1968
...carried "On deck" over holds containing coal. (e) When stowed "On deck protected" the cylinders shall be protected from the direct rays of the sun by means of structural erections or awnings. Tarpaulins covering cylinders and in contact therewith are not considered...
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The Code of Federal Regulations of the United States of America

Bernan Association Inc., National Archives and Records Administration (NARA) Staff - 1996
...requires "on-deck" stowage and is qualified by the requirement "shade from radiant heat", the stowage must be protected from the direct rays of the sun by means of structural erections or awnings except that such protection is not required for shipment in portable...
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