DEA 
fixed: the emperor Heraclius, in his letter to Sergius, pa- 
triarch of Conftantinople, orders, that inthe great church of 
a gaat there be forty deaconeffes; whereas there 
ae of the Mother of God, in the quarter 
ONRY, Diaconate, the order or baweniel of a 
deacon or aca See Deacon, and Deacongss. 
Deaconry, Diaconia, i is alfg a name fill veferved to the 
ehapels as oratories in Rome, under the ston of the 
feveral deacons, in their refpedtive regions or quarters, 
ies were annexed a fort of holpitals, or 
tio the regi 
feven, an peg to the feven regions, their chief being called 
the arch-deac 
The ho foital adjoining to the church of the deaconry, had 
an adminiftrator for the temporal concerns, called the father 
of = aconry, who was fometimes a prielt, and fometimes 
a lay 
There were fourteen of thefe deaconries, or hofpitals . 
Rome, which was sey to the cardinals. Du Can 
gives us their names: as the deaeonry of St. Maria in te 
oe -way, the aeacouy of St. Enuftachio near the Pan- 
&c. 
DEAD, i in Geography, a river of South Wales, which 
runs into the Nevern near — in the county of Pem- 
— e 
olen 
t had been obferved, that thofe pallet ak 
natural vibrations of the pendulu ulum roduce a 
backwa a atid of the feconds’? hand a pe vibration, 
called a recoil, eeeaton a fi to gain time when pe) addi- 
tion is made to the maiataining power, and the contrary ; 
which i is ae fame thing, that a clock. with fach pallets 
or, 
bee lofe time by becoming dirty. The, celebrated Graham 
erefore, contrived that conftruétion of the pallets and 
fing. ieee which conftitute dead-beat a 
with a 
referred to the artic 
reader will find a defcription of the different efcapements ; 
and where, from the contraft given of the different conftruc- 
tions of the various eee ae he will the ate compre- 
hend their relative merits. ean time he may turn 
aph callipering, in the article Cioctmaia and 
of Plate X. of Horology, in the latter of which 
“a da geometrical delineation of the dead-beat ef- 
econds 
tion. 
’ ye omen credited among th 
Scottifh peafantry, which is faid to be a tinkling bell in the 
> regarded by the country ee as the {ecret inteili- 
gence of the deceafe of fome f: 
EAD-CHEST J/land, in cow, one for ¢ {maller 
Virgis ifles, fituated near the eait end of Peter’s Wand and 
weft of that of C 
Dean Lights, in a “Ship, are wooden ports made to faften 
4 
DEA 
in the cabin pba to prevent the waves from breaking 
into the fhip in 
Deap-man’s ps in 
ealt fide of Sse ifland 
ar. 
Geography, a bay fituated on the 
d, fouth of St. John’s har- 
bour, and N. W. of cape 
Eap-mAn’s Head, or Point.a ca pe of fees oa the 
coatt of Cael in ae Englifh channel. N. lat. 50° 13’, 
W. long. 4° 48’. 
Deapn-man’s slg one of the Magdalen iflands. N. lat, 
7° 22’, W.long. 6 
man’s Eyes, es Deane eyes, in Ship- Rigging, are 
,. flat, wooden blocks, with three holes, initead of 
ees through which the laniards reeve, when rane up 
the throuds or ftays. The 
oud or flay, when fet 
‘than blocks with fheaves, when ftrain lies on a fingle pin. 
See Lamium. 
EAD-Pledge, in RTG 
av-Reckoning, i n Sea Lae 18 a elhinatisn,qades 
De 
ment, or conje e€ture, which the feamen make of the place 
where a fhip is, by keeping an account of her way by the 
log, by knowing the courfe they have fteered by the paca 
and by sagt x all, with allowance for drift, le 
accordiag to the fhip’s trim; fo that this 
without any obfervation of the fun, moon, or ftars 
be re€tified as often as any good obfervation can be had. 
See ao 
Rifing, a term in a fhip for that part of her bottom, 
thro sug her whole length, where the floor timber is termi- 
nated upon the lower futtock. 
Deap- Ropes, in a fhip, are fuch as are not runping, 7. é 
which do not run in any block. 
- Sea, in Geography SPHALTITE Lake. 
Deap-Sea, "Chemical Analyfi $ 7 its oe —The waters 
of the ‘Dead fea, or lake Afphaltites, bave been from time im 
memorial remarkable for ar intenfe faltnela, which is fo 
ound in 
n body ca is imprac- 
ticable ; ad Pie ee that he could lie on its furface 
motioniefs in any attitude. 
pecimen of this _ was analyfed by Meff, Macquer 
an . oe the acco whith was eeuliecen the Me- 
3 de l’Academ @ dee Scie nces for 1778; and a more 
eer and ne more accurate, analy is has lately been 
made by Dr. Marcet on a {mail portion colleéte r 
Gordon of a in his eae into ine, and tranf{- 
mitted ante him From Dr. Marcet’s ana- 
rt Ne may give the followin particulars 
The oa is perfeGly sa ae and selowslet, and 
does not depofite any cryfta anding in clofe veffels. 
8 {pe- 
Its tafte is peculiarly ee fines and Lal Sie 
cific gravity is as high as which 1 s greater that that 
ny othe ten 
It is however not faturated with falt, for it will eae more 
when added to it: it is neither acid, nor alkaline, but per- 
fe€tly neutralized. chemical tefts, the pre - oa «iy er 
magnefia, muriatic, a fulphuric acid, are de- 
e 
We thal not here detail the particular proceffes by wt 
Fe 
