. The Civil engineer and architect's journal, scientific and railway gazette. Architecture; Civil engineering; Science. 1850.] 2. Metal as No. 1 bar. THE CIVIL ENGINEER AND ARCHITECT'S JOURNAL. 199 3. Metal shade lighter than No. 1 and 2 bars. ^'eiglit applied Deflection. Set. in lbs. f 406 â¢33 â¢03 518 â¢45 â¢045 630 â¢60 â¢085 -i 686 â 60 â¢115 742 â¢765 +770 â¢83 L B807 â¢01 f 406 518 â¢295 â¢025 â¢40 â¢05 630 â¢53 â¢08 686 â¢605 â¢10 â > 742 â¢685 770 â¢73 + 798 L B823 â 78 â¢84 Mean breaking weight of tlie three bars, 822 lb. XVI. Mixture for Railwaij Chairs, ^thpart Crmoshaij, No. \â
. The Civil engineer and architect's journal, scientific and railway gazette. Architecture; Civil engineering; Science. 1850.] 2. Metal as No. 1 bar. THE CIVIL ENGINEER AND ARCHITECT'S JOURNAL. 199 3. Metal shade lighter than No. 1 and 2 bars. ^'eiglit applied Deflection. Set. in lbs. f 406 â¢33 â¢03 518 â¢45 â¢045 630 â¢60 â¢085 -i 686 â 60 â¢115 742 â¢765 +770 â¢83 L B807 â¢01 f 406 518 â¢295 â¢025 â¢40 â¢05 630 â¢53 â¢08 686 â¢605 â¢10 â > 742 â¢685 770 â¢73 + 798 L B823 â 78 â¢84 Mean breaking weight of tlie three bars, 822 lb. XVI. Mixture for Railwaij Chairs, ^thpart Crmoshaij, No. \âCold Blast. ^part Redsdale, No. ZâHot Blast, â ^rdpart Scotch, No. 1 and TiâHot Blast. r I. Dark grey; uniform texture. 2. Metal dull grey, as above; close and uaifurm. 406 51S 630 0S6 742 798 826 +854 BOdI 406 518 630 686 742 708 826 +854 B944 3. Metal as No. 1 and 2 bars 406 518 630 686 742 798 826 854 +882 B889 Mean breaking weight of the three bars, 928 { â¢27 â 35 â 4 35 â 485 â¢54 â¢60 â ma â¢655 â¢77 â¢27 â¢36 â¢455 â¢51 â¢;> â¢6i5 â¢66 â¢69 â¢80 â¢295 â¢38 â¢48 â¢535 â¢595 â¢035 â¢665 â 685 â¢715 â¢72 lb. â¢012 â¢02 â¢03 â¢04 â¢017 â¢02", â¢035 â¢U5 â¢015 â¢035 â¢04 â¢05 REGISTER OF ME-VIT PATENTS. STEAM BOILERS. William Edward , of Chancery-lane, Middlesex, civil engineer, for "(m invention of certain imjirovenients in steam ; (A communication.)âGranted August 23, 1849; En- rolled February 23, 1850. [Reported in Newton's London Journal.} The annexed engraving represents, in longitudinal vertical sec- tion, a boiler constructed according to the present invention; a, the fire-place; i, the fire-bars, surrounded by a wall of fire-bricks c, built upon a ledge or platform /), made of sheet or wrought-iron, and set in the masonry. The wall of fire-bricks thus forms a kind of shallow well, the bottom of which is
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