Scope and Contents Letters and papers concerning new inventions; trials of improved instruments, especially the transit circle, Great Equatorial and altazimuth instruments; and improved techniques. The correspondents include B.A. Gould, C. Pritchard, E. Dunkin, E.J. Stone, L. Respighi, O. Struve, W.H.M. Christie, W. De La Rue, J.C. Maxwell, W. Huggins, S.J. Perry, A.V. Auwers, M.C. de Littrow, C.J.E. Wolf, A. Laussedat and J.R. Hind. There is a description and plans of the Great Equatorial Telescope;...

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Print from the Journal of the Royal Astronomical Society of Canada, 1908.

Scope and Contents Miscellaneous papers concerning astronomical matters, including letters from O. Struve, Professor Clerk Maxwell, W.R. Birt, A.V. Auwers, J. Challis and W. De La Rue. The subjects covered include a photograph of the Sun; solar protuberances, in a letter from P.A. Secchi printed in 'The Mechanics Magazine'; C.A. Young's 'Bright Lines in the Spectrum of the Chromosphere'; Christie's paper on 'The Constitution of the Sun's atmosphere and Corona'; solar spectroscopy; W.R. Birt's lunar work;...

Scope and Contents (1) Letters regarding the existence of Neptune, 1846-1878Duplicate copies of collected correspondence on the investigations of J.C. Adams and U.J.J. Le Verrier into the existence of Neptune and in particular of the ensuing controversy over the name of the planet. There are also other letters concerning the minor planets and mathematical formula for their orbits, the Moon's equation and lunar acceleration. The correspondents include J.C. Adams, Sir George Airy, F.N.M. Arago, J....

Scope and Contents (1) Correspondence, 1834-1895Correspondence regarding J.C. Adams and other subjects, as follows:Index to correspondence, 1895.C. Taylor's suggestion of a memorial to J.C. Adams at Westminster Abbey, 1892.D. McAlister's proposal for a publication of J.C. Adams's papers, with lists of important correspondence, 1892-1893.Notes on correspondence in the Royal Observatory records regarding the search for Neptune, 1834.Notes from J.F.W. Hershel's...

Scope and Contents Correspondence and printed papers on astrology, chemistry, electricity, galvanism, geology, optics and squaring the circle. The correspondents include T. Andrews, W.H. Miller, W. De La Rue, W. Huggins, W. Klinkerfeus, J. Challis and L. Respighi. There are official printed reports on the Anglo-Australian Telegraph; specimens of output from printing telegraphy; a prospectus for a book titled 'Physical and historical evidences of vast sinkings of land on the North and West coasts of France and...

Scope and Contents Miscellaneous articles on scientific matters, including a paper by E.M. Peligot believed to be concerning Mars; a catalogue of electrical instruments; J.C. Ward on the geology of the Lake District; examinations of Navy telescopes; plans and dimensions for telescopes; A. Krank's improved manufacture of parabolical reflectors; 'Colour correction of achromatic telescopes' by W. Harkness; 'Testing of object-glasses' by G.W. Royston-Pigott; an article titled 'Lights, beacons, and buoys', from...

Scope and Contents Miscellaneous scientific works and routine instructions, including a paper by C.S. Benson on geometry as a science; a piece on the transit of Venus in 'Bell's Weekly Messenger'; writing in an exercise book by J. Gillespie on the motion of the Earth; laws of rotation; minutes of the Paris conference on standards for electrical units, 1884; 'the new electrical era in science' by G.W. Royston-Pigott from 'The Eastbourne Standard'; various earthquakes; M.A. Cornu's optical achromation and...

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Airy's official and scientific correspondence, volume 1, including letters from Amici, Baily, Beaufort, Bouvard, Brewster, Carlini, Cerquene, Colby, Davy, Gambart, Garvey, Gilbert, Hamilton, Herschel, Hudson, Hussey, Jenkins, Lardner, Lax, Maclear, Pearson, Pond, Rigaud, Robinson, Rumker, Sabine, Sanchis, Schumacher, South, Stratford and Young, with an index to the correspondents at the end. There are a few letters in French and Italian.

Scope and Contents Correspondence and printed papers on chronology, geography and tides. The correspondents include J.R. Hind, A. Way, J. Washington, W.H. Smyth, E. Cardwell, C.A. Young, J. Thompson, R. Fitzroy, P.S. Stanhope, A. Cayley, W. Spottiswoode, R.I. Murchison, G. Everest, W. Selwyn, J.D. Forbes, J.H. Speke, G. Grote and T. Cooke. There are calculations of ancient eclipses; a printed paper by P.A. Hansen on secular variation of the mean longitude of the Moon; papers and a tracing relating to Airy's...

Scope and Contents Papers concerning refinements and improvements to chronometers. The volume includes balance stopping apparatus; patent specification for W.J. Thictherner's watches; R.H. Rideout's method for compensating clocks; cheap observatory clocks by J.F. Stanistreet; experiments with sidereal clocks and their barometric inequalities; W.G. Schoof's paper on improvements in the lever escapements for chronometers; apparatus for altering the scale of compensation of chronometers; improved gimballing...