The gentleman's steward and tenants of manors instructed. Containing rational, easy, and familiar rules and tables for finding the value of estates of freehold, copyhold, or leasehold, as well on lives as for years absolute, &c. With an enquiry into the nature of the annual disbursements, precariousness of the tenure, and casualties, that estates are charged with, and how they are to be accounted for in the valuation. The tables being founded on Dr. Halley's hypothesis, and calculated by the method laid down by Abr. de Moivre / To which is added an appendix, containing the description and use of an instrument for discovering the number of feet contained in any timber-trees, by inspection only.

  • Richards, John, land surveyor.
Date:
1730
Catalogue details

Licence: Public Domain Mark

Credit: The gentleman's steward and tenants of manors instructed. Containing rational, easy, and familiar rules and tables for finding the value of estates of freehold, copyhold, or leasehold, as well on lives as for years absolute, &c. With an enquiry into the nature of the annual disbursements, precariousness of the tenure, and casualties, that estates are charged with, and how they are to be accounted for in the valuation. The tables being founded on Dr. Halley's hypothesis, and calculated by the method laid down by Abr. de Moivre / To which is added an appendix, containing the description and use of an instrument for discovering the number of feet contained in any timber-trees, by inspection only. Source: Wellcome Collection.

    157/172 (page 121)
    [ 12* ] fiT' SECT. IF. : Tbe Defcj'tfthn and Ufe of the Mkrometerfor fnding the Blgnefs of a iif ant OhjeB. ^ M HIS Inftrnment coofilts of a Aiding y Rule^ which when fiiut is two Foot long, and will draw out to about four Foot; the Edges running one in the other, with a Brals at each End for the Pieces to Aide thro’; much of the Form of a Glafier’s Dinienfion- Rule. On the Edges of this Rule are Lines gra¬ duated ; one to fliew the Diameter of the Objeft, another, how much a Tree of that Diameter will fquare, according to the com¬ mon Method of taking one quarter of the Girt for the Side of the Square. There will be room for other Lines; fuch as the Circum¬ ference, the Area (which I take to be very uleful, for the readily computing the Quan¬ tity of Timber by Pen) the Side of the Square equal, or the like, according to any Perlbn’s Fancy. On the other Side may be put Lines of Numbers; and the Timber Line, for the ready cafting up the Dimenfions when taken, Recording to the common Form of Carpen¬ ters Sliding Pwules: but all this is as People plcafc. ■\ R To