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Radio waves high flyers, Washington, D.C., Oct. 1. Experiments conducted by H.W. Wellex at the radio station of the Carnegie Institution have proven that radio waves travel a distance of 80 miles heavenword before they are reflected back to earth. Traveling like lightning as they ascend in to the ionosphere the radio impulses have to be measured in 10,000ths of second to accurately check the height reached before they return to the radio set

Radio waves high flyers, Washington, D.C., Oct. 1. Experiments conduct...

Public domain photograph of people in office, interior, the 1910s-1920s America, free to use, no copyright restrictions image - Picryl description

Sign "Welcome to ths world famous wine growing region, Napa Valley," California

Sign "Welcome to ths world famous wine growing region, Napa Valley," C...

Title, date, and keywords provided by the photographer. Credit line: The Jon B. Lovelace Collection of California Photographs in Carol M. Highsmith's America Project, Library of Congress, Prints and Photographs... More

New York, New York. Class in the use of precision instruments, part of the government-sponsored industrial training program at New York University. Most of the students are women. Testing diameter variations and concentricity of ground stepped shafts with a comparator. The readings are in 10,000ths of an inch

New York, New York. Class in the use of precision instruments, part of...

Public domain photograph of New York in 1930s, free to use, no copyright restrictions image - Picryl description

By the United States in Congress assembled. August 2, 1786 : Resolved, that for the services of the present year, one thousand seven hundred and eighty six, for the payment of the interest, and two installments of principal on the French and Dutch loans ... it will be necessary that three millions, seven hundred and seventy-seven thousand, and sixty-two dollars 43-90ths, be paid into the common treasury ...

By the United States in Congress assembled. August 2, 1786 : Resolved,...

Public domain scan of french book page, free to use, no copyright restrictions image - Picryl description

By the United States in Congress assembled. August 2, 1786 : Resolved, that for the services of the present year, one thousand seven hundred and eighty six, for the payment of the interest, and two installments of principal on the French and Dutch loans ... it will be necessary that three millions, seven hundred and seventy-seven thousand, and sixty-two dollars 43-90ths, be paid into the common treasury ...

By the United States in Congress assembled. August 2, 1786 : Resolved,...

Public domain scan of french book page, free to use, no copyright restrictions image - Picryl description

By the United States in Congress assembled. August 2, 1786 : Resolved, that for the services of the present year, one thousand seven hundred and eighty six, for the payment of the interest, and two installments of principal on the French and Dutch loans ... it will be necessary that three millions, seven hundred and seventy-seven thousand, and sixty-two dollars 43-90ths, be paid into the common treasury ...

By the United States in Congress assembled. August 2, 1786 : Resolved,...

Public domain scan of french book page, free to use, no copyright restrictions image - Picryl description

Exchange table showing the value of one pound sterling at the different rates of exchange from 1-8ths from 12 to 52 per cent. Computed by John V. Yatman, New York. New York: Published by. E. B. Clayton's sons. [c. 1862].
Currency table, showing the value of a "greenback" dollar note, in specie, from par to 200 per cent, advancing by 1-8ths. Computed by John V. Yatman, New York. New York. Published ny E. B. Clayton's sons, printers and stationers, No. 157 Pearl S

Currency table, showing the value of a "greenback" dollar note, in spe...

Title.; On verso: Filed (?)Dec. 2, 1864; 9. Available also through the Library of Congress web site in two forms: as facsimile page images and as full text in SGML. Printed Ephemera Collection; Portfolio 125, Folder 1.

Exchange table showing the value of one pound sterling at the different rates of exchange from 1-8ths from 12 to 52 per cent. Computed by John V. Yatman, New York. New York: Published by. E. B. Clayton's sons. [c. 1862].
Barringtons new and reliable railroad map and shippers & travellers guide of Pennsylvania, Engrd. by Ths. Leonhardt, showing the name of every city, town and village in the state, with nearest rail road station.

Barringtons new and reliable railroad map and shippers & travellers gu...

Index of place names appears to either side and bottom of the map. A list of "Railroads Represented on this Map" appears below the index. Scale ca. 1:1,000,000. LC Railroad maps, 295 Description derived from pu... More

By the United States in Congress assembled. August 2, 1786 : Resolved, that for the services of the present year, one thousand seven hundred and eighty six, for the payment of the interest, and two installments of principal on the French and Dutch loans ... it will be necessary that three millions, seven hundred and seventy-seven thousand, and sixty-two dollars 43-90ths, be paid into the common treasury ...

By the United States in Congress assembled. August 2, 1786 : Resolved,...

Public domain scan of french book page, free to use, no copyright restrictions image - Picryl description