To diffuse the knowledge of Science, is the professed design of the following work. What methods, it may be asked, have the compilers employed to accomplish this design? Not to mention original articles, they have had recourse to the best books upon almost every subject, extracted the useful parts, and rejected whatever appeared trifling or less interesting. Instead of dismembering the Sciences, by attempting to treat them intelligibly under a multitude of technical terms, they have digested tratises, and explained the terms as they occur in the order of the alphabet, with references to the sciences to which they belong.
As this plan differs from that of all the Dictionaries of Arts and Sciences hitherto published, the compilers think it necessary to mention what they imagine gives it a superiority over the common method. A few words will answer this purpose. Whoever has had occasion to consult Chambers, Owen, etc., or even the voluminous French Encyclopedie, will have discovered the folly of attempting to communicate science under the various technical terms arranged in an alphabetical order. Such an attempt is repugnant to the very idea of science, which is a connected series of conclusions deduced from self-evident or previously discovered principles. It is well if a man be capable of comprehending the principles and relations of the different parts of science, when laid before him in one uninterrupted chain. But where is the man who can learn the principles of any science from a Dictionary compiled upon the plan hitherto adopted? We will, however, venture to affirm, that any man of ordinary parts, may, if he chooses, learn the principles of Agriculture, of Astronomy, of Botany, of Chemistry, etc., etc., from the Encyclopaedia Britannica.
In the execution of this extensive and multifurious undertaking, the Compilers laboured under many disadvantages, partly arising from the nature of the work, and partly owing to the following circumstance. The Editors, though fully sensible of the propriety of adopting the present plan, were not aware of the length of time necessary for the execution, but engaged to begin publication too early. However, by the remonstrances of the Compilers, the publication was delayed for twelve months. Still time was wanted. But the subscribers pushed the Editors, and they at last persuaded the Compilers to consent to the publication. If time had been allowed, the Compilers designed to have completed the sciences before proceeding to the technical terms; and by that means to have guarded against omissions, and made all the references from the terms to the sciences more particular. The consequence was unavoidable. All the references to any science that occur in the alphabet previous to the name of the science itself, are general: those that follow are particular; pointing out, not only the name of the science, but the number of the page.
We must further acknowledge, that, in some instances, we have deviated from the general plan; but, we hope, not without reason. For example, under the words Botany and Natural History, it would have been an endless, and perhaps an useless task, to have given the generic distinctions of every plant, and of every animal. These are to be found under the names of the plants and animals themselves. The same observation may be made with respect to Minerology, Materia Medica, Pathology, and Therapeutics. These are so interwoven with Anatomy, Botany, Chemistry, and Medicine, that, in a work of this kind, it was almost impossible, without many unnecessary repetitions, to treat them as distinct sciences. Indeed, properly speaking, they are not sciences, but parts or accessories of sciences, which, by the dexterity of teachers and authors, have been long exhibited under that form.
With regard to errors in general, whether falling under the denomination of mental, typographical, or accidental, we are conscious of being able to point out a greater number than any critic whatever. Men who are acquainted with the innumerable difficulties attending the execution of a work of such an extensive nature will make proper allowances. To these we appeal, and shall rest satisfied with the judgment they pronounce.
in order to give some idea of the materials of which this Dictionary is composed, we shall conclude the preface with a list of the principal authors made use of in the compilation.
Albini tabule anatomicae.
Alston's Tyracinium botanicum.
Essay on the sexes of plants.
Bacon's Sylva Sylvarum.
Balk, Laurentii, Adolpho-Fredericianum in Amaen. Acad.
Balfour's philosophical essays.
Barrow's dictionary of arts and sciences.
Berthoud Sur l'art de conduire et de regler les pendules et les montres.
Bartlet's farriery.
Bielfield's universal erudition.
Brookes's practice of physic.
natural history.
Brown de ortu animalism caloris.
Bouffon's histoire naturelle.
Byrom's short-hand writing.
Calmet's dictionary of the bible.
Campbell's dissertation on miracles.
Catesby's natural history of Carolina, Florida, etc.
Chambers's dictionary of arts and sciences.
Chambers's architecture.
Chesselden's anatomy.
Cotes's hydrostatical lectures.
Cowper's myotomia reformata.
Crocker's dictionary of arts and sciences.
Cullen's synopsis nosologiae methodicae.
MS. lectures
Derham's physico-theology.
Dickson's agriculture.
Le Dran's surgery.
Duncan's moral philosophy.
Logic.
Edwards's natural history.
Elmgren's termini botanici.
Le Grand Encyclopedie.
Erskine's institutes of the law of Scotland.
Essays on husbandry.
Foreign essays on agriculture.
Essays physical and literary.
Euclid's elements.
Eustachii tabulae anatomicae.
Franklin on electricity, etc.
Ferguson's astronomy.
Mechanics
Hydrostatics and hydraulics.
Dialling.
Principles of geography.
Optics.
Pneumatics.
Goguet's origin of laws, arts, and sciences.
Gregory's practical geometry.
Grew's anatomy of plants.
Haartman de plantis hybridis. in Amaen. Acad.
Du Hamel's elements of agriculture.
Harris's Hermes.
Hasselquist's travels.
de viribus plantarum
Hast Rudolphi, Amphibia Gyllenborgiana, in Amaen. Acad.
Heister's surgery.
Hill's Eden.
Hiorth de plantis esculentis, in Amaen. Acad.
History of arts and sciences.
Hookes's philosophical experiments.
Hudson's Flora Anglica.
Hume's essays.
Home's principia medicinae.
Home on bleaching.
Jack's conic sections.
Johnstoni hitoria naturalis.
Jortin de plantis tinctoriis, in Amaen. Acad.
Lord Kaims's elements of criticism.
abridgment of the statutes.
Langley's builder's assistant.
Lee's botany.
Lewis's dispensatory.
Linnaei systema naturae.
Amaenitates academicae.
Philosophia botanica.
Genera plantarum.
Species plantarum.
Fundamenta botanica.
Locke on the human understanding.
Maclaurin's fluxions.
Algebra.
Macqueer's chemistry.
Macdowal's institutes of Scots law.
Mair's Book-keeping.
Arithmetick.
Miller's gardener's dictionary.
Monro's osteology.
Junior de venis lymphaticis valvulosis.
Muller's fortification.
Musaeum rusticum.
Newtoni principia.
Lectiones opticae.
Owens's dictionary of arts and sciences.
Patoun's navigation.
Earl of Pembroke on horsemanship.
Pennant's British zoology.
Philosophical transactions.
Polygraphic dictionary.
Preceptor.
Priestley's history of electricity.
Raii synopsis stirpium Britannicarum.
Rudborgi dissertatio de peloria, in Amaen. Acad.
Rutherforth's natural philosophy.
Sale's Koran and life of Mahomed.
Sandeman de Rheo palmato.
Sebae rerum naturalium thesaurus.
Sharp's surgery.
Sloane's natural history of Jamaica.
Smellie's midwifery.
Smith's optics.
Sir James Stewart's political oeconomy.
Swan's architecture.
Sundii Surinamensia Grilliana, in Amaen. Acad.
Tournefort's system of botany.
Trydell's theory and practice of musick.
Ulloa's voyages.
Voltaire's essay on taste.
Wahlbomii sponsalia plantarum, in Amaen. Acad.
Dr. Whytt's works.
Wildman on bees.
Willoughby's ornithologia.
Ichthyographia.
Winslow's anatomy.
Worcester's natural philosophy.
Young on composition.
*** Gazetteers, Pamphlets, Magazines, and other periodical publications; besides many books mentioned in the work itself.