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| Keywords: bookid:laboratoryexerc00alle bookidlaboratoryexerc00alle bookyear:1892 bookyear1892 bookdecade:1890 bookdecade1890 bookcentury:1800 bookcentury1800 bookauthor:allen__charles_ricketson__1862___from_old_catalog_ bookauthorallencharlesricketson1862fromoldcatalog booksubject:physics booksubjectphysics bookpublisher:new_york__h__holt_and_company bookpublishernewyorkhholtandcompany bookcontributor:the_library_of_congress bookcontributorthelibraryofcongress booksponsor:the_library_of_congress booksponsorthelibraryofcongress bookleafnumber:72 bookleafnumber72 bookcollection:library_of_congress bookcollectionlibraryofcongress bookcollection:americana bookcollectionamericana monochrome bookid:laboratoryexerc00alle bookidlaboratoryexerc00alle bookyear:1892 bookyear1892 bookdecade:1890 bookdecade1890 bookcentury:1800 bookcentury1800 bookauthor:allen__charles_ricketson__1862___from_old_catalog_ bookauthorallencharlesricketson1862fromoldcatalog booksubject:physics booksubjectphysics bookpublisher:new_york__h__holt_and_company bookpublishernewyorkhholtandcompany bookcontributor:the_library_of_congress bookcontributorthelibraryofcongress booksponsor:the_library_of_congress booksponsorthelibraryofcongress bookleafnumber:72 bookleafnumber72 bookcollection:library_of_congress bookcollectionlibraryofcongress bookcollection:americana bookcollectionamericana monochrome Identifier: laboratoryexerc00alle Title: Laboratory exercises in elementary physics Year: 1892 (1890s) Authors: Allen, Charles Ricketson, 1862- [from old catalog] Subjects: Physics Publisher: New York, H. Holt and company Contributing Library: The Library of Congress Digitizing Sponsor: The Library of Congress View Book Page: Book Viewer About This Book: Catalog Entry View All Images: All Images From Book Click here to view book online to see this illustration in context in a browseable online version of this book. Text Appearing Before Image: eter, cu. cm. It must be remembered that in surface measurementthe units go by the square of 10, and in cubic measure bythe cube of 10. Thus there are 1002 or 10,000 sq. cm. in1 sq. m., and 1003 or 1,000,000 cu. cm. in a cu. m. DETERMINATION OF LENGTH. Scales.—The English Scale gives results in inches, andis shown as commonly arranged in Fig. 38. The longnumbered linesmark inches; theshorter lines, half-inches; the stillshorter, quarter -inches ; and theshortest, eighths. fig. 38. The results are here expressed in inches and decimals ofan inch, not in vulgar fractions; as 0.125, instead of j,or 2.375 in. for 2f in. Yard-sticks are used in laboratories.* The usual form of the Metric Scale is shown in Fig. 39.The long lines, as act, mark decimeters; the shorter num-bered lines, as bb, centimeters; the still shorter, cc, 0.5 cm.,or 5 millimeters; the shortest lines, millimeters. Readings *In some forms of meter-slicks there is an inch-scale on one side.Do not use these for yard-sticks. Text Appearing After Image: 60 MENSURATION. are usually expressed in centimeters and decimals of a cen-timeter. For example, the scale to the line AB reads, inFig. 39 (from right to left), 59 cm. plus 3 mm.; this wouldbe recorded 59.30 cm. Meters areused for distances of over 100 cm.When the figures on scales are rightside up, the scale reads from right toleft. This must be remembered ormistakes will happen, as it is naturalto try to read from left to right.Tenths of millimeters should be esti-mated by the eye. Reading Scales.—The scales are car-ried out to the edge of the rod (Figs.40 and 41), and when possible thisedge should be placed against the dis-tance to be measured, as in Fig. 40,where it is desired to measure the dis-tance between the lines aa. Wherethe scale cannot be applied directly tothe object, be sure that the line of sightis always perpendicular to the scale.A metric scale should be read to T\mm., the fraction of a millimeter di-vision being estimated by the eye. Ingeneral, an attempt should b Note About Images Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work. Identifier: laboratoryexerc00alle Title: Laboratory exercises in elementary physics Year: 1892 (1890s) Authors: Allen, Charles Ricketson, 1862- [from old catalog] Subjects: Physics Publisher: New York, H. Holt and company Contributing Library: The Library of Congress Digitizing Sponsor: The Library of Congress View Book Page: Book Viewer About This Book: Catalog Entry View All Images: All Images From Book Click here to view book online to see this illustration in context in a browseable online version of this book. Text Appearing Before Image: eter, cu. cm. It must be remembered that in surface measurementthe units go by the square of 10, and in cubic measure bythe cube of 10. Thus there are 1002 or 10,000 sq. cm. in1 sq. m., and 1003 or 1,000,000 cu. cm. in a cu. m. DETERMINATION OF LENGTH. Scales.—The English Scale gives results in inches, andis shown as commonly arranged in Fig. 38. The longnumbered linesmark inches; theshorter lines, half-inches; the stillshorter, quarter -inches ; and theshortest, eighths. fig. 38. The results are here expressed in inches and decimals ofan inch, not in vulgar fractions; as 0.125, instead of j,or 2.375 in. for 2f in. Yard-sticks are used in laboratories.* The usual form of the Metric Scale is shown in Fig. 39.The long lines, as act, mark decimeters; the shorter num-bered lines, as bb, centimeters; the still shorter, cc, 0.5 cm.,or 5 millimeters; the shortest lines, millimeters. Readings *In some forms of meter-slicks there is an inch-scale on one side.Do not use these for yard-sticks. Text Appearing After Image: 60 MENSURATION. are usually expressed in centimeters and decimals of a cen-timeter. For example, the scale to the line AB reads, inFig. 39 (from right to left), 59 cm. plus 3 mm.; this wouldbe recorded 59.30 cm. Meters areused for distances of over 100 cm.When the figures on scales are rightside up, the scale reads from right toleft. This must be remembered ormistakes will happen, as it is naturalto try to read from left to right.Tenths of millimeters should be esti-mated by the eye. Reading Scales.—The scales are car-ried out to the edge of the rod (Figs.40 and 41), and when possible thisedge should be placed against the dis-tance to be measured, as in Fig. 40,where it is desired to measure the dis-tance between the lines aa. Wherethe scale cannot be applied directly tothe object, be sure that the line of sightis always perpendicular to the scale.A metric scale should be read to T\mm., the fraction of a millimeter di-vision being estimated by the eye. Ingeneral, an attempt should b Note About Images Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work. Identifier: laboratoryexerc00alle Title: Laboratory exercises in elementary physics Year: 1892 (1890s) Authors: Allen, Charles Ricketson, 1862- [from old catalog] Subjects: Physics Publisher: New York, H. Holt and company Contributing Library: The Library of Congress Digitizing Sponsor: The Library of Congress View Book Page: Book Viewer About This Book: Catalog Entry View All Images: All Images From Book Click here to view book online to see this illustration in context in a browseable online version of this book. Text Appearing Before Image: eter, cu. cm. It must be remembered that in surface measurementthe units go by the square of 10, and in cubic measure bythe cube of 10. Thus there are 1002 or 10,000 sq. cm. in1 sq. m., and 1003 or 1,000,000 cu. cm. in a cu. m. DETERMINATION OF LENGTH. Scales.—The English Scale gives results in inches, andis shown as commonly arranged in Fig. 38. The longnumbered linesmark inches; theshorter lines, half-inches; the stillshorter, quarter -inches ; and theshortest, eighths. fig. 38. The results are here expressed in inches and decimals ofan inch, not in vulgar fractions; as 0.125, instead of j,or 2.375 in. for 2f in. Yard-sticks are used in laboratories.* The usual form of the Metric Scale is shown in Fig. 39.The long lines, as act, mark decimeters; the shorter num-bered lines, as bb, centimeters; the still shorter, cc, 0.5 cm.,or 5 millimeters; the shortest lines, millimeters. Readings *In some forms of meter-slicks there is an inch-scale on one side.Do not use these for yard-sticks. Text Appearing After Image: 60 MENSURATION. are usually expressed in centimeters and decimals of a cen-timeter. For example, the scale to the line AB reads, inFig. 39 (from right to left), 59 cm. plus 3 mm.; this wouldbe recorded 59.30 cm. Meters areused for distances of over 100 cm.When the figures on scales are rightside up, the scale reads from right toleft. This must be remembered ormistakes will happen, as it is naturalto try to read from left to right.Tenths of millimeters should be esti-mated by the eye. Reading Scales.—The scales are car-ried out to the edge of the rod (Figs.40 and 41), and when possible thisedge should be placed against the dis-tance to be measured, as in Fig. 40,where it is desired to measure the dis-tance between the lines aa. Wherethe scale cannot be applied directly tothe object, be sure that the line of sightis always perpendicular to the scale.A metric scale should be read to T\mm., the fraction of a millimeter di-vision being estimated by the eye. Ingeneral, an attempt should b Note About Images Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work. Identifier: laboratoryexerc00alle Title: Laboratory exercises in elementary physics Year: 1892 (1890s) Authors: Allen, Charles Ricketson, 1862- [from old catalog] Subjects: Physics Publisher: New York, H. Holt and company Contributing Library: The Library of Congress Digitizing Sponsor: The Library of Congress View Book Page: Book Viewer About This Book: Catalog Entry View All Images: All Images From Book Click here to view book online to see this illustration in context in a browseable online version of this book. Text Appearing Before Image: eter, cu. cm. It must be remembered that in surface measurementthe units go by the square of 10, and in cubic measure bythe cube of 10. Thus there are 1002 or 10,000 sq. cm. in1 sq. m., and 1003 or 1,000,000 cu. cm. in a cu. m. DETERMINATION OF LENGTH. Scales.—The English Scale gives results in inches, andis shown as commonly arranged in Fig. 38. The longnumbered linesmark inches; theshorter lines, half-inches; the stillshorter, quarter -inches ; and theshortest, eighths. fig. 38. The results are here expressed in inches and decimals ofan inch, not in vulgar fractions; as 0.125, instead of j,or 2.375 in. for 2f in. Yard-sticks are used in laboratories.* The usual form of the Metric Scale is shown in Fig. 39.The long lines, as act, mark decimeters; the shorter num-bered lines, as bb, centimeters; the still shorter, cc, 0.5 cm.,or 5 millimeters; the shortest lines, millimeters. Readings *In some forms of meter-slicks there is an inch-scale on one side.Do not use these for yard-sticks. Text Appearing After Image: 60 MENSURATION. are usually expressed in centimeters and decimals of a cen-timeter. For example, the scale to the line AB reads, inFig. 39 (from right to left), 59 cm. plus 3 mm.; this wouldbe recorded 59.30 cm. Meters areused for distances of over 100 cm.When the figures on scales are rightside up, the scale reads from right toleft. This must be remembered ormistakes will happen, as it is naturalto try to read from left to right.Tenths of millimeters should be esti-mated by the eye. Reading Scales.—The scales are car-ried out to the edge of the rod (Figs.40 and 41), and when possible thisedge should be placed against the dis-tance to be measured, as in Fig. 40,where it is desired to measure the dis-tance between the lines aa. Wherethe scale cannot be applied directly tothe object, be sure that the line of sightis always perpendicular to the scale.A metric scale should be read to T\mm., the fraction of a millimeter di-vision being estimated by the eye. Ingeneral, an attempt should b Note About Images Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work. | ||||
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