16 
- REPORT—1848.. 
which the copper bar is made fast at the bottom. C, brass cap soldered fast to the 
copper bar, with knife-edges on the under side, which rest on the tubular end of 
the first lever D; its fulcrum rests on the upper end of the cast iron trough B. 
E, flanges to bolt the trough to the outer side of a wall, near the angle of a room. 
F, part of the cast iron trough which passes through the wall into the room, carrying 
the fulcrum of the second lever I, and to which the revolving cylinder G is fixed. 
H, a weight to keep the first lever D steady on its bearings, and to counterpoise the 
second lever I. K, tracing-pencil. L, a screw working in the edge of the wheel M, 
and coupled to the minute-hand of the time-piece, making one revolution in an hour ; 
the wheel M is fixed to the axis of the cylinder, and has 192 threads cut in its edge, 
and would make one revolution in eight days. 
pencil to the proper hour-line, when a fresh paper is put on once a week. O, brass 
rings, made fast to the cast iron trough, to keep the copper bar steady, but through 
which it can move; the dotted line shows the side of the iron trough. 
N, a binding-screw to adjust the 
Comparative Temperature Table, showing the daily average height of the 
Thermometer ; at Jersey, in 49° 11™ N.; at Torquay, 50° 30™ N.; 
Hastings, 50° 52™ N.; and London, 51° 30" N. By J. W. CHILDERS. 
Daily Mean Temperature. 
1848. 
Aj Ue Ee 
Bs ee as coe 
BY Sora 
SS 
Hy, dane 
a Gee Re 
Shoe (ot incees 
Tits Orie leces co 
id ph Seana ee 
H, USE - 
ay YL eee 
cap ees 
cov US aie aeers 
"Sp ne essence 
ore TRS ee paae 
BM LOS. aeeie 
oe alienate saees 
Ave USB s Aa 
Pe eM a me heehee 
Pee 
Heeb hebhcadeas 
pier tena re 
spec shelilatodds 
Fe iol ieee 
Acptiteiostoont 
KA weargn 
Baye Aieilepebasae 
Pe Eb, acecte 
Pr pied Weert 
pail naatucs 
Peale esas 
Average ......00 
Highest © scssessss 
Lowest......css00 
Meanie wes ated 
eeeeee 
ereeee 
ee eeee 
seeeee 
seen 
seeeee 
seenee 
see eee 
eeenen 
eennee 
fener 
seen 
Torquay. 
55°5 
eeeeee 
eeeeee 
seetee 
eeeece 
ereees 
Beeeee 
eeeaee 
eereee 
eoneee 
eeeeee 
Hastings, 
erence 
seeeee 
steeee 
eteoce 
erseee 
PRR E001) OT F100. 3 SE 
KROSSRAAASASH 
ARPAAMNID 
© 
S 
