al

Manual of telegraphy: prepared for use in Dodge's Institute of Telegraphy, Valparaiso, Ind.

Archives, Room Use Only - TK5264.M36 1894




al

Catalogue of apparatus, material, tools, cars and camp equipment: used in connection with the outside plant.

Archives, Room Use Only - TK5295.W48 1929




al

Communication of Hon. William H. Seward, Secretary of State, upon the subject of an intercontinental telegraph / connecting the eastern and western hemispheres, by way of Behring's strait, in reply to Hon. Z. Chandler, Chairman of the Committee on Co

Archives, Room Use Only - TK5613.U6 C66 1864




al

The Dominion Telegraph / J.S. MacDonald

Archives, Room Use Only - HE7814.M33 1930




al

Technical description of the Alexanderson system for radio telegraph and radio telephone transmission by Elmer E. Bucher

Archives, Room Use Only - TK5811.B83 1920




al

Startling facts: practical machine telegraphy, one thousand words per minute, new siliconized-copper wire.

Archives, Room Use Only - TK5269.C73 1880z




al

Elementary treatise on natural philosophy / by A. Privat Deschanel ; translated and edited, with extensive modifications, by J.D. Everett

Archives, Room Use Only - QC23.P7513 1883




al

Visual telegraphy / issued by the General Staff, May, 1919

Archives, Room Use Only - UG575.G7 V57 1919




al

The ABC universal commercial electric telegraph code: improved by the addition of a code condenser which enables the user to cable two code words and check them in one word, thus saving 50% of cable charges ... specially adapted for the use of financiers,

Archives, Room Use Only - HE7676.C53 1919




al

Special report from the Select Committee on the Electric Telegraphs Bill: together with the minutes of evidence taken before them.

Archives, Room Use Only - KD2885.A26 G78 1868




al

Rules and regulations for the guidance of the officers and servants employed in the Telegraph Department, and also of such officers and servants in the Traffic Department as are required to possess a knowledge of, or to assist those working the telegraph

Archives, Room Use Only - TK5263.R85 1878




al

Pacific railroad acts. Act of 1862.: an act to aid in the construction of a railroad and telegraph line from the Missouri River to the Pacific Ocean, and to secure to the government the use of the same for postal, military, and other purposes, approved Ju

Archives, Room Use Only - HE2763.P33 1868




al

The William B. Duck Company: anything electrical, wirless instruments.

Archives, Room Use Only - TK455.W55 1915




al

General railroad and telegraph laws of the State of Pennsylvania: including the acts relating to incline plane railways and street passenger railways, and such acts relative to corporations as affect railroad and telegraph companies, 1816-1883 / comp. and

Archives, Room Use Only - KFP301.A3 1884




al

Reports of the examiners of section XXIII: (section IV-A, class VIII, of the catalogue): electro-medical apparatus.

Archives, Room Use Only - R857.E49 I58 1886




al

Pocket blank code: number four, containing all five-letter words.

Archives, Room Use Only - HE7671.P63 1910




al

Handbook of aerial construction / the Central District and Printing Telegraph Company

Archives, Room Use Only - TK5455.H36 1908




al

Overhead electrical wires: Electrical Commission, 1888-1892.

Archives, Room Use Only - TK3201.O94 1888




al

Relevant π-hole tetrel bonding interactions in ethyl 2-triazolyl-2-oxoacetate derivatives: Hirshfeld surface analysis and DFT calculations

CrystEngComm, 2020, Advance Article
DOI: 10.1039/D0CE00335B, Paper
Muhammad Naeem Ahmed, Khawaja Ansar Yasin, Shahid Aziz, Saba Urooge Khan, Muhammad Nawaz Tahir, Diego Mauricio Gil, Antonio Frontera
We report the synthesis and X-ray characterization of four triazole derivatives that include an α-ketoester functionality and two phenyl substituents. The compounds form self-assembled dimers in the solid state establishing two symmetrically equivalent O⋯π-hole interactions.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry




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