The London Journal of Arts and Sciences, Τόμος 6

Εξώφυλλο
Sherwood, Neely, and Jones, 1823
Containing reports of all new patents, with a description of their respective principles and properties: also, original communications on subjects connected with science and philosophy; particularly such as embrace the most recent inventions and dicoveries in practical mechanics.
 

Άλλες εκδόσεις - Προβολή όλων

Συχνά εμφανιζόμενοι όροι και φράσεις

Δημοφιλή αποσπάσματα

Σελίδα 148 - In attaching and detaching these lengths of rod, a wrench, fig. 10, is employed, by which they are turned round, and the screws forced up to their firm bearing. The boring is sometimes performed for the first sixty or a hundred feet, by a chisel of two and a...
Σελίδα 172 - Middlesex, gentleman, in consequence of a communication made to him by a certain foreigner residing abroad, for an invention of " certain improvements in the construction of railways and tram-roads, and in the carriages to be used thereon and otherwise.
Σελίδα 148 - This fork is to be brought down under the shoulder, near the top of each rod, and made fast to it by passing a pin through two little holes in the claws. The rods are thus drawn up, about seven feet at a time, which is the usual distance between each joint; and at every haul a fork...
Σελίδα 109 - Middlesex, merchant, (in consequence of a communication made to him by a certain foreigner residing abroad) for 'an invention of certain improvements in the construction of locks and other fastenings.
Σελίδα 109 - Squadron, in consequence of a communication made to him by a certain foreigner residing abroad, for a certain method or methods of catching or taking mackarel and other fish.
Σελίδα 230 - The cases containing the files are placed in the upper part of the composing machine ; and by means of keys like those of a piano-forte, the compositor can release from any file the type which he wants. The type thus liberated is led by collecting arms into a curved channel...
Σελίδα 165 - Type-Founder; who, in consequence of a communication made to him by...
Σελίδα 207 - On the double Organs of Generation of the Lamprey, the Conger Eel, the Common Eel, the Barnacle, and Earth- Worm, which impregnate themselves, though the last, from copulating, appear mutually to impregnate one another.
Σελίδα 137 - May 15, 1820. JOHN BARTON, of Falcon-square, London, Engineer; for certain improvements in propelling, and in the construction of engines and boilers applicable to propelling, and other purposes.
Σελίδα 7 - I do hereby declare this to be my specification of the same, and that I do verily believe this my said specification doth comply in all respects fully and without reserve or disguise with the proviso in the said hereinbefore in part recited letters patent contained ; wherefore I hereby claim to maintain exclusive right and privilege to my said invention.

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