Slide-rule
Works from the collections
4 works
- Books
- Online
The line of proportion or numbers, commonly called Gunter's line made easie : by the which may be measured all manner of superficies and solids as boards, glass, pavement, timber, stone, &c. : also, how to perform the same by a line of equal parts, drawn from the centre of a two-foot rule : whereunto is added, The use of the line of proportion improved : whereby all manner of superficies and solids may both exactly and speedily be measured, without the help of pen or compasses, by inspection, looking only upon the ruler / by William Leybourn.
William LeybournDate: 1684- E-books
- Online
Stenography: or, the art of short-hand writing . With new additions, As in the Pages 21, 22, 23, 24. and some alterations.
Date: 1712- E-books
- Online
The royal gauger or, gauging made easy, as it is actually practised by the officers of His Majesty's revenue of excise. In two parts. Part I. Containing the practical Methods of finding the Area's and Contents of such Superficies and Solids, as are the Foundation of Gauging. Also the Established Rules for finding the Contents of all Sorts of Cisterns, Coppers, Backs, Coolers, Tuns, Stills and Casks, when full, or Part empty: The Examples being performed both by the Pen and Sliding Rule: And this not in Ale, Wine and Malt only, but in the New Duties, viz. Candles, Sopes, Starch, &c. which have been Duties subsisting by Law almost 30 Years; and are very considerable Branches of the Revenue as well as of every Excise Officer's Duty, tho' yet they have never been so much as once touch'd upon by any Author. With the Officer's Duty in the Distillery. Part II. Shewing the necessary Steps to be taken for obtaining Employment in the Excise, with authentic Forms of such Certificates, Petitions, Oaths, &c. as are requisite for that Purpose. Together with Such Directions for the Officer's Conduct as are necessary for ascertaining and securing the respective Duties, to which the following Professions are liable. 1. Victuallers, 2. By-Brewers, 3. Common-Brewers, 4. Maltsters, 5. Malt Compounders, 6. Dealers in Cyder, 7. Wine Importers, 8. Distillers, 9. Tanners, 10. Tawers, 11. Oil Dressers, 12. Sope-Makers, 13. Chandlers, 14. Starch-Makers, 15. Paper-Makers, 16. Hop-Planters. A Work shewing young Officers the Perfection of Skill in discharging their Trusts, and very advantageius to those Traders, who would understand how to ascertain the Amount of the respective Duties to which they are subject, without depending upon the Skill and Integrity of the King's Officer. To which is added, Cask-Gauging, &c. as practis'd at the Port of London. The whole illustrated with many Copper-Plates, new designed, and much better adapted to the Subject, than in any Treatise of this Kind extant. By Charles Leadbetter, Many Years a Gauger in the Royal Revenue of Excise, now a Teacher of the Mathematicks in London.
Leadbetter, Charles, fl. 1728.Date: 1739- Books
- Online
The line of proportion, commonly called Gunter's line, made easie : a second part, with the addition of other lines, which may conveniently be put upon a two-foot rule and their uses exemplified / by Wil. Leybourn ... ; to which is added a supplement, containing the description and some uses, of a convenient two-foot joynt-rule ... by John Brown.
William LeybournDate: 1677