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"On the "Hyperbola" Method for the Measurement of Surface Tensions" "On the 100th Anniversary of the Birthday of Friedrich Paschen and Pieter Zeeman" "On the Abbe Theory (1873)" "On the Action of Electricity on Gases. II On the Electric Decomposition of Carbonic-acid Gas" "On the action of Light upon Plants, and of Plants upon the Atmosphere" "On the Adaptation of the Structure of the Sloths to their peculiar Mode of Life" On the Adaption of External Nature to the Physical Condition of Man: principally with reference to the supply of his wants and the exercise of his intellectual faculties On the Adaption of External Nature to the Physical Condition of Man Principally with Reference to the Supply of His Wants and the Exercise of His Intellectual Faculties "On the Adjustment of the Transit Circle and Equatorial" "On the Advantage of a Collection of Numbers, to be entitled the Constants of Nature and Art" "On the Advantages to be attained by a Revision and Re-arrangement of the Constellations, with especial Reference to those of the Southern Hemisphere, and on the Principles on which such Re-arrangement ought to be Conducted" "On the Advantages to be derived from the Use of Metallic Reflectors for Sextants and other Reflecting Instruments; and on Methods of directly determining the Errors in Mirrors and Sun-Shades used in Reflecting Instruments" On the Advisability of Training the Youth of Britain to Military Exercises, as productive of National Safety "On the Agreement with Experiment of the Dilution Formula Deduced from the Debye-Huckel Theory" "On the Aims and Methods of Biological History and Biography with some notes for the collaborators of the Index Botanicorum" "On the Amount of the Radiation of Heat, at Night, from the Earth, and from various bodies placed on or near the Surface of the Earth" On the Ampitheatre at Pola in Istria "On the Ancient Weights of Britain" "On the Angle of Dock Gates and the Bee's Cell" "On the Angular Disturbances of Ships, the Measurement of the Amount, and the Elimination of the Effects in Certain Cases" "On the Annelida obtained during the Cruise of H.M.S. "Valorous" to Davis Strait in 1875" "On the apparent change in weight during Chemical Reaction" : 5 entries "On the Apparent Place of the Pole-Star at the Time of its Upper Culmination for the Years 1820, 1821, 1822." "On the Apparent Place of the Pole-Star at the Time of its Upper Culmination for the Years 1820, 1821, 1822" "On the Application of a Differential Densimeter to the Study of some Mediterranean Waters" : 3 entries "On the Application of Manley's Differential Densimeter to the Study of Sea-waters on board Ship" : 3 entries On the Application of the Method of Least Squares to the Determination of the most probable Errors of Observation in a Portion of the Ordnance Survey of England "On the application of the microscope to scientific purposes" "On the Approximate Estimation of the Critical Constants of Unassociated Substances" On the Arenarius of Archimedes On the Astrolabe "On the Astronomical Observations Recorded in the Nihongi, the Ancient Chronicle of Japan." "On the Astronomical Tables of the Islamic Middle Ages" "On the Atomic Weight of Glucinum (Beryllium)" "On the Atomic Weight of Graphite" "On the Babylonian Origin of some Hipparchian Parameters" "On the Balance Magnetometer, and its Temperature Corrections" On the Baramikas On the Bearings of the Study of Natural Science, and of the Contemplation of the Discoveries to which that Study Leads, on our Religious Ideas On the Boyle: a newsletter of work in progress on Robert Boyle (1627-91) "On the Cause of Storms, Waterspouts, etc." On the Causes of the Phenomena of Terrestrial Magnetism, and on some Electro-mechanism for Exhibiting the Secular changes in its Horizontal and Vertical Components "On the Change of Temperature in Europe, and the Variation of the Magnetic Needle" "On the Chromatology of the Blood of Some Invertebrates" "On the Co-latitude of the Observatory of Stephen Groombridge, Esq., at Blackheath; determined by his own Observations of circumpolar Stars, reduced by the Constant of Refraction 58", 133 at 45o" On the Collection of Boracic Acid from the Lagoni of Tuscany "On the Colours of Waters" "On the Combination of Thiophenol and Guaiacol with the Esters of the Acids of the Acetylene Series" "On the Combining Power of Atoms" On the Composition of a Stone from the Meteoric Shower which fell at Dokachi, Bengal, on October 22, 1903. "On the Construction and Standardization of an Interferometer Pressure Guage" On the Construction and Use of the Microscope On the Construction of a Five-foot Equatorial Reflecting Telescope "On the construction of a five-foot equatorial reflecting telescope" On the Construction of a Silvered Glass Telescope fifteen and a half inches in aperture, and its use in Celestial Photography "On the Construction of Meteorological Instruments, so as exactly to determine their Indications during Absence, at any given instant, or at successive intervals of Time" "On the Construction of Specula of Six-feet Aperture; and a Selection from the Observations of Nebulae made with them" On the Construction of Sun-Dials On The Construction of Water-Clocks. Kitab Arshimidas Fi'amal Al-Binkamat "On the Correction of Errors in the Distribution of Time Signals" On the Corrections of Latitude and Middle Time, from Double Altitudes of the Sun : 2 entries On the corrections of Latitude and Middle-time On the Cosmosphere "On the Cytology of the Vegetative and Reproductive Organs of the Saprolegnieae" "On the Destruction of Ferments in the Alimentary Canal" On the Determination of the Distance of a Comet from the Earth, and the Elements of its Orbit "On the Determination of the Mean Temperature of every Day in the Year from all the Thermometrical Observations taken at the Royal Observatory, Greenwich; from the Year 1814 to the end of 1856" "On the Determination of the Numerical Values of the Coefficients in any series consisting of Sines and Cosines of Multiples of a Variable Angle" "On the Development of Botrylloides and the Ancestry of Vertebrates. (Preliminary Note)" "On the Development of Spectacles in London from the End of the Seventeenth Century" On the Difference of Longitude between the Observatories of Armagh and Dublin, determined by Rocket Signals "On the Dioecious Character of the Rotifera" On the Dispersive Power of the Atmosphere, and its Effect on Astronomical Observations On the Distribution and the Migrations of Muggiaea Atlantica, Cunningham, in the English Channel, the Irish Sea, and off the South and West Coasts of Ireland, in 1904. "On the Distribution of Mid-water Chaetognatha in the North Atlantic during the Month of November" "On the Distribution of the Powers of Producing Heat and Light among the different groups of the Animal Kingdom" On the Double Refraction and Polarisation of Light "On the Drop-Weight Method for determining Surface-Tensions" On the Earlier Notices Relative to the Natural History of the Giraffe On the Early Use of Arabic Numerals in Europe "On the effect upon the Magnetic Needle, of the Aurora Borealis, visible at Philadelphia, on the 17th of May, 1833" "On the Effects of an Epicaridan Parasite, Gyge branchialis, on Upogebia littoralis" 'On the Effects of Instrumentation upon Nineteenth Century Chemistry' "On the Electrical Conductivities produced in Air by the Motion of Negative Ions" On the Elements of Light, and their identity with those of Matter, Radiant and Fixed "On the Elements of the Orbit of Halley's Comet, at its Appearance in the Years 1835 and 1836" "On the Equations of Loci traced upon the Surface of the Sphere, as expressed by Spherical Co-ordinates" "On the Error of a Received Principle of Analysis, respecting Functions which Vanish with their Variables" "On the Evidence of the existence of the Decennial Inequality in the Solar-diurnal Magnetic Variations, and its non-existence in the Lunar-diurnal Variation, of the Declination at Hobarton" "On the Existence of Crystals with different primitive forms and physical properties in the Cavities of Minerals; with additional Observations on the New Fluids in which they occur" "On the Extraction of pure Phosphoric Acid from Bones, and on a new and anomalous Phosphate of Magnesia" "On the Extra-Meridian Determination of Time By Means of A Portable Transit-Instrument" "On the Fauna of the Atlantic Coast of Canada" "On the finding of the Rates of Time-keepers" "On the Fixation of Mucin and the Preparation of Autoradiographs" "On the Floatage of Small Heavy Bodies in Air and Certain Atmospheric Phaenomena dependent thereon" On the flowering plants and ferns of Oxfordshire and the Contiguous Counties "On the Formation of Diatom Structure, II" On the Gale of October 13th-14th, 1881, over the British Isles "On the General Method of Expressing the Paths of Light and of the Planets, by the Coefficients of a Characteristic Function"
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