A Treatise on the Kaleidoscope1858 |
From inside the book
Results 1-5 of 23
Page 11
... presents itself in accounting for the formation of the last or sixth sector , a o B. Mr. Harris , in the xvith Prop . of his Optics , has evaded this difficulty , and given a false demonstration of the proposition . remarks , that the ...
... presents itself in accounting for the formation of the last or sixth sector , a o B. Mr. Harris , in the xvith Prop . of his Optics , has evaded this difficulty , and given a false demonstration of the proposition . remarks , that the ...
Page 16
... present to us , may be divided into two classes , namely , simple or irre- gular forms , and compound or regular forms . To the first class belong all those forms which are called picturesque , and which cannot be reduced to two forms ...
... present to us , may be divided into two classes , namely , simple or irre- gular forms , and compound or regular forms . To the first class belong all those forms which are called picturesque , and which cannot be reduced to two forms ...
Page 62
... present , we shall confine our attention to the various methods which may be employed in applying them to the end of the reflectors . The first and most simple method consists in bringing the tube about half an inch beyond the ends of ...
... present , we shall confine our attention to the various methods which may be employed in applying them to the end of the reflectors . The first and most simple method consists in bringing the tube about half an inch beyond the ends of ...
Page 64
... present different fragments of the included glass before the aperture A O B. The tube may be directed to the brightest part of the sky in the day - time , or in the evening to a candle , or an Argand Lamp , so as to transmit the light ...
... present different fragments of the included glass before the aperture A O B. The tube may be directed to the brightest part of the sky in the day - time , or in the evening to a candle , or an Argand Lamp , so as to transmit the light ...
Page 65
... present themselves to the aperture may be made to pass across it in every possible direction , and very interesting effects may be produced by a combination of the rotatory and rectilineal motions of the object - plate . When the object ...
... present themselves to the aperture may be made to pass across it in every possible direction , and very interesting effects may be produced by a combination of the rotatory and rectilineal motions of the object - plate . When the object ...
Other editions - View all
Common terms and phrases
A O E aliquot angle A O B angles of incidence angular aperture angular point aperture A O B apparent magnitude beauty brass rim broad milled Camera Obscura cell centre CHAPTER circle circular field coloured glass combination composed cone construction convex lens direct vision distance effects produced equal exhibited Fcap figure fixed focal length History images formed inches inclination instrument inverted image JOHN WILSON CROKER Kaleido Kaleidoscope last sector light luminous m n o p manner metallic motion move object-box object-plate objects placed obliquely observer optical pieces plane mirrors plates of glass polygon Portrait position Post 8vo preceding principles rays re-entering angles reflected images regular polygon ring round salient angles screw Second Edition seen by direct shown in Fig side speculum metal square stationary symmetrical picture Third Edition three reflectors tion triangle tube velocity Vols Woodcuts
Popular passages
Page 9 - DAVY'S (SiR HUMPHRY) Consolations in Travel; or, Last Days of a Philosopher. Fifth Edition. Woodcuts. Fcap. Svo. 6s. — Salmonia ; or, Days of Fly Fishing. With some Account of the Habits of Fishes belonging to the genus Salmo. Fourth Edition. Woodcuts. Fcap. Svo. 6s. DENNIS' (GEORGE) Cities and Cemeteries of Etruria ; or, the extant Local Remains of Etruscan Art.
Page 1 - Fcap.Svo. 4s. Pathological and Practical Researches on the Diseases of the Stomach, the Intestinal Canal, the Liver, and other Viscera of the Abdomen.
Page 19 - JESSE'S (EDWARD) Visits to Spots of Interest in the Vicinity of Windsor and Eton.
Page 5 - More Worlds than One. The Creed of the Philosopher and the Hope of the Christian.
Page 22 - LUSHINGTON'S (MRs.) Narrative of a Journey from Calcutta to Europe, by way of Egypt. Second Edition. Post Svo. Ss. 6d. LYELL'S (SiR CHARLES) Principles of Geology; or, the Modern Changes of the Earth and its Inhabitants considered as illustrative of Geology. Ninth Edition. Woodcuts. Svo. 1Ss. Manual of Elementary Geology ; or, the Ancient Changes of the Earth and its Inhabitants illustrated by its Geological Monuments.
Page 12 - Handbook of Architecture. Being a Concise and Popular Account of the Different Styles prevailing in all Ages and Countries in the World. With a Description of the most remarkable Buildings.
Page 29 - History of Rome. From the Earliest Times to the Establishment of the Empire. With the History of Literature and Art.
Page 27 - PENROSE'S (REV. JOHN) Faith and Practice; an Exposition of the Principles and Duties of Natural and Revealed Religion. Post Svo. 8s. 6d. - (FC) Principles of Athenian Architecture, and the Optical Refinements exhibited in the Construction of the Ancient Buildings at Athens, from a Survey. With 40 Plates. Folio.
Page 6 - BURGHERSH'S (LORD) Memoir of the Operations of the Allied Armies under Prince Schwarzenberg and Marshal Blucher during the latter end of 1Si3—14. Svo. 21s. Early Campaigns of the Duke of Wellington in Portugal and Spain.
Page 1 - Medal, the reflectors were in some cases inclined to each other, and he had occasion to remark the circular arrangement of the images of a candle round a centre, or the multiplication of the sectors formed by the extremities of the glass plates. In repeating, at a subsequent period, the experiments of M. Biot on the action of fluids upon light, Dr B.