While the majority retired to rest to be ready for a fresh burst of work on the morrow, a few of us discussed the preliminary details, and struck the first blows in the laying of the foundations.
A site for the living-hut was finally approved. This was a nearly flat piece of rocky ground of just sufficient size, partially sheltered on the southern side by a large upstanding rock. Other points to recommend it were, proximity to the boat harbour and to a good sledging surface; the ice of the glacier extending to the "front door" on the western side. Several large rocks had to be shifted, and difficulty was anticipated in the firm setting of the stumps. The latter were blocks of wood, three feet in length, embedded in the ground, forming the foundation of the structure. Unfortunately, no such thing as earth or gravel existed in which to sink these posts, and the rock being of the variety known as gneiss, was more than ordinarily tough.
Since two parties had combined, there were two huts available, and these were to be erected so that the smaller adjoined and was in the lee of the larger. The latter was to be the living-room; the former serving as a vestibule, a workshop and an engine-room for the wireless plant. Slight modifications were made in the construction of both huts, but these did not affect the framework. After the completion of the living-hut, regular scientific observations were to commence, and the smaller hut was then to be built as opportunity offered.
Nothing has so far been said about the type of hut adopted by our Antarctic stations. As the subject is important, and we had expended much thought thereon before coming to a final decision, a few remarks will not be out of place.
Strength to resist hurricanes, simplicity of construction, portability and resistance to external cold were fundamental. My first idea was to have the huts in the form of pyramids on a square base, to ensure stability in heavy winds and with a large floor-area to reduce the amount of timber used. The final type was designed at the expense of floor-space, which would have been of little use because of the low roof in the parts thus eliminated. In this form, the pyramid extended to within five feet of the ground on the three windward sides so as to include an outside veranda. That veranda, like the motor-launch, was a wonderful convenience, and another of the many things of which we made full use. It lent stability to the structure, assisted to keep the hut warm, served as a store-house, physical laboratory and a dogshelter.
Round the outside of the three veranda walls boxes of stores were stacked, so as to continue the roof-slope to the ground. Thus, the wind striking the hut met no vertical face, but was partly deflected; the other force-component tending to pin the building to the ground.
All three huts were essentially of the same construction. The largest, on account of its breadth, had four special supporting posts, symmetrically placed near the centre, stretching from the ground to the roof framework. The only subdivisions inside were a small vestibule, a photographic darkroom and my own room. This rough idea I had handed over to Hodgeman, leaving him to complete the details and to draw up the plans. The frame timbers he employed were stronger than usual in a building of the size, and were all securely bolted together. The walls and roof, both inside and outside, were of tongued and grooved pine-boards, made extra wind-proof by two courses of tarred paper. As rain was not expected, this roofing was sufficient. There were four windows in the roof, one on each side of the pyramid. We should thereby get light even though almost buried in snow.
[TEXT ILLUSTRATION]
Plan of the hut, Adelie Land
The largest hut was presented by the timber merchants of Sydney, and proved its astonishing strength during the winter hurricanes. The smallest was purchased in Adelaide, the third was built and presented by Messrs. Anthony of Melbourne.