GAU 
ad Sli parallel to the horizon. They are diftinguifhed 
ers FY. K. B. fignifying a firkhin, hilderkin, and Aes 
avers, ufe of the diagonal iad on a To oe 
the content o veffel in e ga e 
brafed end oa ing-rod into ‘he cone of the 
cafk, w al ins 
head and ftaves: then turn the gauging-rod to the pe 
end of the veffel, and thruit the brafed end home to the end, 
as before. 
aftly, es if the mar - apes on the gauging-rod come 
even with the ae — the ar ee when the rod 
was thruft to pr ; : hich if it be, the mark made 
on the diagonal Tins wil, on the fame lines, hhew the whole 
content of the n beer or wine gallons 
If the mark ae on the bung-hole be not right againft 
that made on the rod, when you put it the other way, then, 
right againft the mark made on the bung-hole, make ‘another 
on the diagonal lines ; and the divifion on the diagonal line, 
between the two rae will fhew the vefiel’s whole content 
in beer or wine Be 
us, P the degen line of a veffel be 28 inches 
four- fae te contents in beer gallons will be near 51, and 
in wine gallon 
Tf a veffel be open, asa half-barrel, aa or copper, and 
the meafure from the middle on one fide to the head and 
ftaves be 38 inches, ae ‘diagonal line gives 122 beer gal- 
Tons; half of which, viz. 61, is the content of the open 
hal 
the 
tu 
If you u have a large veffel, as a tun or copper, and 
k the 
diagonal line, taken by a long rule, ieee 70 inches ; 
content of that veffel may be found thu 
Every inch at the beginning-end of che diagonal line, a 
ten inches. Thus ten inches become 100 inches; ; 
every tenth of a ae call roo gallons; and every aay 
gallon call ae pane 
by 
m—At 44. Hehe , on the diagonal beer-line, is 200 
3 fo ree ae nh es 48 parts, now called 44 er 
lions now called 2 al. 
a clofe cafk, of fuch diagonal, will hold a 1000 ree a. 
lons; but an open cafk b ut half fo much, viz. 500 beer 
gallons. 
For e 
the diameter . ba 
tent in ale ga 
Right Ae 2 5 inches, on the gauge-line, is one gal- 
lon, and 745 of a gallon; which multiplied by 32.06, 
the length, gives oe 9447 "gallons for the Eoin of the 
veffe a 
oe foppot the length of the veffel 32.06, and 
25 inches ; to find what is the con- 
allons contained in i ~ 
a on the line a inches 3 _ 
the gauge-line, you will fin 
take one-third of it, which is .580, and fet it down . wice : 
feek 22 inches in the head diameter, and againft it you will 
find, on the gauge-line, 2.356; one-third oe which, added 
e 
right againft it, on 
_ OF thele we lage feen 
& : 
GAU 
to twice -580, gives 1.6096; which multiplied by the length 
glen the produé win be 51.603776, the content in 
- 
e, this operation {uppofes, ne the aforefaid oo 
is in foe figure of the middle fruftu a {phero 
The ufe tig the lines on the two ee faces : a rod 
is very eafy; you need only put it downri ght into sae 
bung-hole Gf the sare bike defire to know the quantity 
ale d nbe lying) to the oppofite fares 
and then where the faface of the “Tiquor cuts any £ 
the lines appropriated to that veffel, will be the sabe of 
gallons contained in that veffel, 
The defcription and ufe of Everard’s fliding-rule for 
gauging, fee under Siipine-rule. 
GAUGING Master, on Can anals, is an pines appointed 
to meafure, weigh, and afcertain exactly the tonnage of the 
boats ufed on aes 3; thé procefs of a as praCtifed on 
the Grand Junétion canal, we have delonbed nder the ar- 
ollowed on many of the Britifh pen 
was firlt fuggelted we Thomas Walker, efq. of Bilborough, 
Notts, in 1798, who contrived a weighing-houfe, and with 
the concurrence of the Cromford canal company, and thofe 
of the Derby, Erewafh, Grantham, es Milton. 
Mowbray, Nottingham, Nutbrook, an 
navigations, drew up a fet o 
and oth 
n 
unequal weights to mn purchafers of coals 
wharfs belonging to 
Erewafh, Nottingham, and 
mafters of that diftri&, with fome very few 
5 
a 
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a 
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a 
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oO. 
& 
B 
rs} 
5 
re) 
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p 
5 & 
aoe 
o 
ha 
= 
3 
03 
cr 
> 
oO 
@ 
Ley 
a 
C 
Qp 
ond 
ao 
om 
loo 
the loa Aue 
which they very inch of their draught of 
water, is printed from time to time, in an uniform manner 
fo as to bind up in o€tavo volumes for the ufe of the feveral 
gauging-matters, i 
pence-o 
! 
e adoption of fimilar plans, 
by which trade in general would be much some a and the 
fair trader protected from the deceptive arts of thofe who 
are itriving to obtain aay by pretending to give large 
and unufual weights 0 commodities t urchafers, 
inftead of ~ era the pri which nae w ould do if their 
pretenfion see were vrell fou 
ie eh a town of ae nce fo ftrong 
as to seeenner the pafs of the Boche eta, but now difman tled; 
20 miles N. of Bs N. lat. 43° 43. E.long. 8°48. 
GAVIA, 
