a. The ground on which t with a Coat of cement or b.Asmall trench which

should be constantly rwin Insects from entering the c. Pillars on which the du the ground in order to gi Vapours These pillars r d.A Fire Urn or grate fro top of the Roof.

e The Roof also double, lik

Air &render the roof, &

f. The Stairs to be wound

case of necessity, partic

g. Curtains to let down on are preferable.

h. A Gallery covered by

keep off the Sunshine.

To M. Johansen's Inventi -quently used in German have water-falls. But whe water for cooling a House i.Is a Cistern from which which the Air enters & is into the close barrel 1. T & falls into the lower par may then supply the abo the broken Water, & conf M. Johansens pipe q.und Air which ascending thr continues its ascent thro

-vered by these pipes, ba room, descends towards

which constantly ascend

1794.by CB. Wadstrom .