Essays, political, economical, and philosophical (1796)
Rumford, Benjamin, Graf von, 1753-1814, Adams, John, 1735-1826, former owner. BRL, John Adams Library (Boston Public Library) BRL · London : Printed for T. Cadell Jun. and W. Davies (successors to Mr. Cadell) ... · leaf 424
( 384 ) Fig. 10. This Figure fhows how the covings are to beplaced when the front of the covings (a and ^) donot conne fo far forward as the front of the open-ing of the Fire-place, or the jannbs (A and B). See page 348. Fig. II. This Figure fliows how the width and obliquityof the covings are to… … (. S86 ) Fig. 12. This Figure fhows how an inftrument called abevel {m n), ufeful in laying out the work> inaltering Chimney Fire=places, may be conftrufted. See page 349. Fig. 13. This fhows how, when the breaft of a Chimney(J) is too high, it may be brought down by meansof a wall (b) placed…
