J. C. Hodges, of Morristown, Pa., writes to the Scientific American as follows:

“In the Scientific American, November 18, 1882, I find an article with the above caption, and at the end of the article a remark by the ‘Ed. S. A. to the effect that he who suggests a plan to build frame houses so as to avoid the spread of fire will deserve well of his fellow men.

“Here is the plan: Let corner and center posts extend from sill to roof plate. Let plates of 4×4 or 4×6 timber be framed into these at height of second floor and at height of upper ceiling in outside wall, and for every partition. Now frame in all braces and studding of outside walls. Set the outside door and window frames, and weather board and cover. Next lay all the floors solid or without breaks from outside to outside. Next frame in the partition studding, toe nailing to the floor and to the partition plates. The second floor joists will rest upon first set of plates. The upper or third floor joists will rest upon second set of plates. The weather boarding will be nailed to these plates outside. The plastering laths and the plastering will touch them on the inside around the top of each room.

” Now, let fire start between two studs in lower story. It will be seen that it cannot pass to second story till it burns through the weather boarding and up the outside, or through’the plastering into a room, and then through the ceiling and second floor. Nor can it get to the roof till it burns through the weather boarding, or through the plastering and upper ceiling.

“ Let it start in roof. It must burn its way through upper ceiling before it gets to second story, and through second floor before it touches the first story.

“This is easy, and it seems to me that with spaces between joists closed, it brings a fire in such a house about within control. I live in a house so constructed.

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