466 
HEATING BY HOT-WATER. 
In the ground plan No. 1 (Fig. 33.) (a) is intended to shew two 
pipes upon the front walk, (b) Brackets supporting the front pipes, 
and iron trellising, round the house. ( c) Cocks to turn the front 
pipes off. (d) Pipes for heating the Pine pits. (e) Cocks to turn 
the pit pipes off. ( f ) Iron trellising for flower pots. (g) Return 
pipes for each house, coned into the connecting pipe. ( h ) Connect¬ 
ing pipe, (i) Return pipe to the coil. (&) Flow pipe from the coil. 
(/) A portion of the pit, covered in with hoards. ( m) Holes cut in 
the boards, for the pine pots to rest on their rims. ( n ) Bearers to 
support the hoarding and pots, (o) Sliding doors. 
No. 2 is a section across the furnace. ( a ) is a coil or boiler con¬ 
sisting of fifteen rounds of inch piping set in a descending furnace; 
( b ) Iron door and casing upon the top of the furnace, for putting 
down the fuel. (c) Double door for lighting the lire and drawing 
out the scoria. ( d ) Ash-pit door. ( e ) Grate bars. (f) Iron 
bridge supporting the wall which separates the fire from the coil. 
No. 3 is a representation of the front of the furnace. ( a ) is the 
Ashpit door, (b) the fire door, (c) dust door, for cleansing the coil, 
[d) the same open, (e) the furnace top door. 
No. 4 is a representation of the trellis, supported by the brackets 
( b) in the ground plan No. 1. 
No. 5 is the elevation of the front (inside,) ( a ) is intended to re¬ 
present six pipes against the front wall for heating the houses. ( b ) 
Openings in each alternate front light, with iron casing to admit the 
vines being taken in and out, by lifting up the light. ( c ) Short 
Brackets for trellising only. 
No. 6 is the elevation of part of the back wall, ( a ) is the expansion 
pipe. ( b ) Flow pipes to pits. (c) Flow pipes to houses on each 
side of glass partition going over the doors to the front wall. ( d) 
Flow pipe from the coil to the expansion pipe. ( e ) Brackets for 
supporting the back trellising. ( f ) Back trellising. (y) Airscrew. 
No. 7 is a section of the House and Shed, (a) Is the expansion 
pipe, (see ( a ) No. 6). (b) Flow pipe. ( c) Filling pipe. ( d ) Flow 
pipes for each house; ( e ) Flow pipes for each pit. (/) Pit pipes, 
(y) Cock for pits; (/t) Return pipes for pits and houses. [«] Con¬ 
necting pipe. [£] Dust door for cleansing the back of the coil. [/] 
Six front pipes, (m) Brackets supporting front pipes and trellising. 
[w] Brackets supporting the back trellising. [o] Damper. 
No. 8, shows the lights on the roof [a] is the bottom sheet and 
[b] the top sheet. 
The small scale is for Nos. 1, *5, 6, 7, 8, and the large one for No. 
*^> 3 4 
