OCR Text |
Show 3UILDERS TO USE TREENAILS How Framework of Chips Under Construction Con-struction for; Uncle Sam Will . Be Held Together. The framework of the wooden ships which are now being tniilt for the Uni.tecl States Emergency corporation will not he held by even a single metal nail. They 'will,. be pinned together, with treenails cut from the trunks of live oak or 3'ellow locust trees. There are two or three causes for the use of wooriencn:uls. One Is the great need of iron and stool in otlxr linos of war activity whore wood could not be used, and another is that the wooden pin Is lighter than a metal one and loss expensive. Each ship's hull will require 300,000 of the treenails, and they - will be fastened in place by splitting "each end and driving in a white oak wedge. Each ship will require COO.000 wodgos. It Is said that the "wooden pins are more quickly put in place than are metal ones. Treenails are 24 inches long, an inch and a quarter In diameter and perfectly round. They are used fo fasten the planks to the boat frames. Soon after a vessel' Is launched the pins swell to a snug fit in the framework. frame-work. Timber for the ships comes from the sawmills in CO-foot slabs 14 inches through, Mid is tlion worked into the different sizes for the framework and siding. |