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17 60,

ons

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ont

Socord
Sonth Pheeles. The forma day of mo,

a.
epo
Ecejved of mm Drgria

Sum of
Resan por Mile & Bightpenas pador

7 을

:3.5
Year's Rent, en by Rent due to the Honourable the

,
Dean and Chapter of Durham, at Penleco
laft, for a Torromont Gonom mlžool
cat lanton and
c lonomunt af som holor.

Acquitt.

3. 2 Received by

7:6 10 / YURT

OU are hereby Required to pay this Rent, due at ma Pirmiar Pori Lion next, at mm. Item header in fortle Slicole on the

2

18

otherwise the same will be Distrain'd for, without further Notice.

Day of May

THE

THEORY and PRACTICE

OF

GAUGING

Demonstrated in a

SHORT and EASY MET HOD.

CONTAINING, among other PARTICULARS;
The Method of Computing Decimally ; extracting the

SQUARE Root, with the Construction and Use of

the SLIDING-RULE explain’d at large.
The Elementary Properties of the CONIC Sections, and

the Manner of describing them in Plano.
General Principles of MENSURATION, with Theorems

for Measuring all right-lin'd Planes, Parallelopipedons, Prif-
matic Solids, the Conic. Sections, Conoids, Spindles, their

Segments, and Frustums, &c.
A General Proposition for measuring the Hoofs or Ungula's

of any Cone or PYRAMID, and a new Method for

Measuring by Approximation.
With the APPLICATION of the preceeding Principles to

Practice ; and illustrated throughout by particular Examples.

ز

Published with the particular Approbation of the

Honourable COMMISSIONERS OF Excise.

Design'd for the Use of the Officers of that Revenue.
By ROBERT SHIRTCLIFFE.

L O N D ON:
Printed by H. Woo'D FALL, without Temple=Bar, for th:

AUTHOR: And are to be had at his House in Portlanda
Street, the Corner of Mortimer-ftreet, near Oxford-Markets

MDCCXL:

19 Feb.2.5 EHWI

CHARLES POLHILL Esq;
John FOWLE Esq;
JAMES VERNON Esq;
ROBERT EYRE E/9;
HORATIO TOWNSHEND E/9;
Sir THOMAS ROBINSON Bart.
WILLIAM BURTON Esq;
JOHN ORLEBAR Efq;
COMMISSIONERS

AND
GOVERNOURS

Of and for the MANAGEMENT and RECEIPT of
His MAJEST Y's Revenues of the

Excise, Malt, &c.
Within that part of Great-Britain callid

ENGLAND;
The following Treatise is, with the greatest Sub-

mission, humbly inscrib'd by

Their most Obedient,

and moft Faithful Servant,

ROB. SHIRTCLIFFE.