The complete book of trades, or, The parent's guide and youth's instructor : forming a popular encyclopaedia of trades, manufactures, and commerce, as at present pursued in England, with a more particular regard to its state in and near the metropolis : including a copious table of every trade, profession, occupation, and calling, however divided and subdivided : together with the apprentice fee usually given with each, and an estimate of the sums required for commencing business (1842)
Whittock, N. (Nathaniel), 1791-1860 · London : Printed for Thomas Tegg · leaf 128
ity of timber ; he will thus take off an unnecessary load from the walls, and a large and useless expense to the owner." The forms of roofs are various ; the three principal kinds are, the flat, the square, and the pointed ; to these we may add the pinnacle roof, the double ridged, and the… … but a very slight observer will see that the rafters, having no other support than the walls, will be very likely, when the roof comes to be covered, to thrust the walls down by their lateral pressure upon them : to remedy this a beam was introduced, called the tie-! earn, into which the ends of…
Industrial arts · Occupations · Vocational guidance
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
