 | 1817 - 364 páginas
...inconveniently hot ; and a double top is always a proper precaution, fixed at the distance of f or | of an inch above the first top. The gauze cylinder...fitted to the screw by a tight ring. All joinings in the lamp should be made with hard solder ; and the security depends upon the circumstance, that... | |
 | 1817 - 382 páginas
...inconveniently hot; and a double top is always a proper precaution, fixed at the distance of j or \ of an inch above the first top. The gauze cylinder...fitted to the screw by a tight ring. All joinings in the lamp should be made with hard solder ; and the security depends upon the circumstance, that... | |
 | Andrew Ure - 1821 - 418 páginas
...proper precaution, fixed i or 4 of an ineh above the fest top. The gauze cylinder should be fastened te the lamp, by a screw of four or five turns» and fitted to the screw by a tight ring. All joinings in the lamp should be made with hard solder; and the security depends upon the circumstance, that no... | |
 | Andrew Ure - 1821 - 512 páginas
...above «be ftnt top. The gauze cylinder should be fastened te the lamp, by a screw of four or rive turns, and fitted to the screw by a tight ring. All joinings in the lamp should be made with, hard solder; and the security depends upon the circumstance, that... | |
 | Luke Herbert - 1824 - 394 páginas
...inconveniently hot ; and a double top is always a proper precaution, fixed 3, or I of an inch abovxethe first top. " The gauze cylinder should be fastened...fitted to the "screw by a tight ring. All joinings in the Lamp should be made with hard solder; and 'the security depends updn the circumstance, that... | |
 | Stephen Glover - 1829 - 600 páginas
...inconveniently hot; and a double top is always a proper precaution, fixed one half or three quarters of an inch above the first top. The gauze cylinder...five turns, and fitted to the screw by a tight ring. AU joinings in the lamp should be made with hard «older ; and the security depends upon the circumstance,... | |
 | Stephen Glover - 1831 - 510 páginas
...inconveniently hot ; and a double top is always a proper precaution, fixed one half or three quarters of an inch above the first top. The gauze cylinder...fitted to the screw by a tight ring. All joinings in the lamp should be made with hard solder ; and the security depends upon the circumstance, that... | |
 | Luke Hebert - 1835 - 938 páginas
...proper precaution, fixed one-half or three-fourths of an inch above the first top. The gauze cylinders should be fastened to the lamp by a screw of four...fitted to the screw by a tight ring. All joinings in the lamp should be made with hard solder ; and the security depends upon the circumstance, that... | |
 | Luke Hebert - 1836 - 942 páginas
...proper precaution, fixed one-half or three-fourths of an inch above the first top. The gauze cylinders should be fastened to the lamp by a screw of four...fitted to the screw by a tight ring. All joinings in the lamp should be made with hard solder ; and the security depends upon the circumstance, that... | |
 | 1839 - 518 páginas
...inconveniently hot; and a double to]) is always a proper precaution, fixed at the distance of naif or three-quarters of an inch above the first top....fitted to the screw by a tight ring. All joinings in the lamp should be made with hard solder; and the security depends upon the circumstance '.hat no... | |
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The gauze cylinder should be fastened to the lamp by a screw of four or five turns, and fitted to the screw by a tight ring. All joinings in the lamp should be made with hard solder ; and the security depends upon the circumstance, that no aperture exists... 
