After introductions, Dean was led to a laboratory in the rear of the building.
His first acquaintance with chemistry was gained as laboratory boy to an apothecary in Rouen (1777-1779), and after various vicissitudes he obtained an introduction to A.
After the war, in 1947, Jonas Salk was offered his own laboratory at the University of Pittsburgh School of Medicine.
The conclusions derived from the microscopical laboratory were confirmed by actual experiment.
A considerable step in advance is the establishment by the London County Council of a central laboratory for its asylums, with an eminent pathologist at its head: from this laboratory valuable reports are in course of issue.
Above all things Thenard was a teacher; as he himself said, the professor, the assistants, the laboratory - everything must be sacrificed to the students.
The chemical laboratory in connexion with the school was, when first instituted, the only one in England for teaching purposes, and the museum is now reputed to be the best pharmaceutical one in the world, the library now containing about 13,000 volumes.
The society has also established a chemical research laboratory, in which much useful work has been done in connexion with the national pharmacopoeia under the direction of the Pharmacopoeia Committee of the Medical Council.
Connected with it are a library of 150,000 volumes and Boo MSS., a chemical laboratory, a zoological museum, a gynaecological institute, an ophthalmological school, a botanical garden and at Eldena (a seaside resort on the Baltic) an agricultural school.
These sayings were prepared in the inner laboratory of his mind in a portable form as if intentionally, so that insignificant society people might carry them from drawing room to drawing room.
"I buried myself," he says, "in my laboratory, and in fourteen months read a course of chemical lectures to a very full audience."
In 1845 he was appointed to the chair of chemistry, physics and technology at the Wiesbaden Agricultural Institution, and three years later he became the first director of the chemical laboratory which he induced the Nassau government to establish at that place.
These and other experiments, described by Dr Manson in the Practitioner for March 1900, confirming the laboratory evidence as they do, leave no doubt whatever of the correctness of the mosquito-parasitic theory of malaria.
Since the initial and final temperatures, which alone determine the variation in the thermal effect, are in almost all cases within the ordinary laboratory range of a few degrees, this influence may in general be neglected without serious error.
The medical school, a department of Washington University, includes laboratory, anatomical, clinical and other buildings.
Wurtz reported the existence of only one efficient laboratory in France, namely the Ecole Normale Superieure, under the direction of H.
Here in Dr. Bell's laboratory, or in the fields on the shore of the great Bras d'Or, I have spent many delightful hours listening to what he had to tell me about his experiments, and helping him fly kites by means of which he expects to discover the laws that shall govern the future air-ship.
Fourcroy, in whose laboratory he was an assistant from 1783-1791.
Instruments of this type are called Electrodynamometers, and have been employed both as laboratory research instruments and for technical purposes.
(-268.7° C.), the density of the liquid 0.154, the critical temperature 5° abs., and the critical pressure 2.3 atmospheres (Communications from the Physical Laboratory at Leiden, No.
After spending some time in a pharmacy in his native town, he entered Bonn University in 1840, and a year later migrated to Giessen, where he acted as assistant in Liebig's laboratory, and in 1843 became assistant professor.
He was summoned from his seclusion in 1871 to become the first holder of the newly founded professorship of Experimental Physics in Cambridge; and it was under his direction that the plans of the Cavendish Laboratory were prepared.
At Beaufort the United States Bureau of Fisheries has a marine biological laboratory, established in 1901 for the study of the aquatic fauna of the south-east coast.
Balard having given him an opportunity for chemical work by appointing him to the post of laboratory assistant.
Direct reading equidivisional movable coil ammeters can be made in various portable forms, and are very much employed as laboratory instruments and also as ammeters for the measurement of large electric currents in electric generating stations.
The experiment is easily made on a laboratory scale, with a small source of light, the rays from which, in their course towards a rather distant screen, are disturbed by the neighbourhood of a heated body.
Later in the same year he became assistant to Helmholtz in the physical laboratory of the Berlin Institute.
In 1902 the state took up the sale of quinine at a low price, manufacturing it at the central military pharmaceutical laboratory at Turin.
His lectures, which were supplemented with practical laboratory teaching, were attended by many chemists who subsequently attained distinction.
The Institute of Technology has an exceptional reputation for the wide range of its instruction and its high standards of scholarship. It was a pioneer in introducing as a feature of its original plans laboratory instruction in physics, mechanics and mining.
An instrument of the latter type of considerable accuracy was designed by Lord Kelvin for the British Board of Trade Electrical Laboratory, and it is there used as the principal standard ampere balance.
Returning to Glasgow in 1872 he became assistant in the Young laboratory of technical chemistry at Anderson's College, and from 1874 acted as tutorial assistant in chemistry at the university.
We may also mention the famous laboratory at Munich designed by A.
In Great Britain the first public laboratory appears to have been opened in 1817 by Thomas Thomson at Glasgow.
In America public laboratory instruction was first instituted at Yale College during the professorship of Benjamin Silliman.
In connexion with the university is a botanical garden; with the national sanitary service, a biological laboratory, and special services for small-pox, glanders and yellow fever.
In 1900 a high school for shipbuilding was founded, and in 1901 an institute for seamen's and tropical diseases, with a laboratory for their physiological study, was opened, and also the first public free library in the city.
Similar observations were made by Laurie (17) in Lankester's laboratory (1890) with regard to the early condition of the coxal gland of Scorpio, and by Bertkau (41) as to that of the spider Atypus.
This discharge, which is identical with the " brush " discharge of laboratory experiments, usually appears as a tip of light on the extremities of pointed objects such as church towers, the masts of ships, or even the fingers of the outstretched hand: it is commonly accompanied by a crackling or fizzing noise.
Beyond appearing at the meetings of learned societies he took little part in public affairs; he lived alone, conducting his investigations in a deliberate and exhaustive manner, but in the most rigid seclusion, no person being admitted to his laboratory on any pretext.
C. Oersted (1777-1851) had shown that a magnetic needle is deflected by an electric current, he attempted, in the laboratory of the Royal Institution in the presence of Humphry Davy, to convert that deflection into a continuous rotation, and also to obtain the reciprocal effect of a current rotating round a magnet.
Hence all tin crystals as kept in the laboratory give with water a turbid solution, which contains stannic in addition to stannous chloride.
Stannous chloride is largely used in the laboratory as a reducing agent, in dyeing as a mordant.
Skill in modern laboratory work is as far out of the reach of the untaught as performance on a musical instrument.
The first clinical laboratory seems to have been that of Von Ziemssen (1829-1902) at Munich, founded in 1885; and, although his example has not yet been followed as it ought to have been, enough has been done in this way, at Johns Hopkins University and elsewhere, to prove the vital importance of the system to the progress of modern medicine.
Wurtz's laboratory, and in 1856, at the instance of H.
He prepared a new edition of the monk Theophilus's celebrated treatise, Diversarum artium schedula, and for several years devoted his Saturday mornings to laboratory research with the chemist Aline Girard at the Conservatoire des Arts et Metiers, the results of which were utilized by Marcellin Berthelot in the first volume (1894) of his Chimie au moyen dge.
We can prepare, in the laboratory, a white powder that proves to be calcium carbonate, that is, it appears to be wholly composed of carbon dioxide and lime.
As early as 1804, Humboldt expressed the opinion that petroleum was produced by distillation from deep-seated strata, and Karl Reichenbach in 1834, suggested that it was derived from the action of heat on the turpentine of pine-trees, whilst Brunet, in 1838, adumbrated a similar theory of origin on the ground of certain laboratory experiments.
But the real founder of systematic instruction in our science was Justus von Liebig, who, having accepted the professorship at Giessen in 1824, made his chemical laboratory and course of instruction the model of all others.
But the belief died hard; the synthesis of urea remained isolated for many years; and many explanations were attempted by the vitalists (as, for instance, that urea was halfway between the inorganic and organic kingdoms, or that the carbon, from which it was obtained, retained the essentials of this hypothetical vital force), but only to succumb at a later date to the indubitable fact that the same laws of chemical combination prevail in both the animate and inanimate kingdoms, and that the artificial or laboratory synthesis of any substance, either inorganic or organic, is but a question of time, once its constitution is determined.'.
On the north-east side of the suburb of St Georg a botanical museum and laboratory have been established.
After the Spanish-American War American physicians had also given it their attention, with valuable results; see Stiles (Hygienic Laboratory Bulletin, No.
And museum of morbid anatomy, and was fusing these gains in the laboratory so as to claim for itself, as a special branch of science by virtue of peculiar concepts, its due place and provision - provision in the establishment of chairs and of special laboratories for its chemical and biological subdivisions - clinical medicine, by the formal provision of disciplinary classes, was illustrating the truth of the experience that teaching and research must go hand-in-hand, the one reinforcing the other: that no teacher can be efficient unless he be engaged in research also; nay, that for the most part even the investigator needs the encouragement of disciples.
A large working population is employed in the Royal Arsenal, which occupies a large area on the river-bank, and includes the Royal Gun Factory, Royal Carriage Department, Royal Laboratory and Building Works Department.
And stores were concentrated at Woolwich, and in 1695 the laboratory was moved hither from Greenwich.
It is generally understood that the products of fractional distillation, even in the laboratory, are not identical with the hydrocarbons present in the crude oil, but are in part produced by the action of heat upon them.
Fleming, A Handbook for the Electrical Laboratory and Testing Room (2 vols., London, 1901, 1903); G.D.Aspinall Parr, Electrical Measuring Instruments (Glasgow, 1903); J.
It is only necessary to bear in mind the great part played by sterilization in the laboratory, and pasteurization on the fermentation industries and in the preservation of food materials.
Then, after a short time in Liebig's laboratory at Giessen, and in the Sevres porcelain factory, he became in 1841 professor of chemistry in the academy of Geneva.
Aside from two laboratory samples, one in the United States and one in Russia, it does not exist on the planet.