ADVENTURE OF BALD ARCHÆOLOGIST
then started to explore the cupboard shelves.
There was a multitude of queer things there. I found an odd vesta or two in my trouser pockets and struck a light. It went out in a second, but it showed me one thing. There was a little stock of electric torches on one shelf. I picked up one and found it was in working order.
With the torch to help me I investigated further. There were bottles and cases of queer smelling stuffs, chemicals no doubt for experiments, and there were coils of fine copper wire and yanks and yanks of a thin oiled silk. There was a box of detonators, and a lot of cord for fuses. Then away at the back of a shelf I found a stout brown cardboard box, and inside it a wooden case. I manged to wrench it open, and within lay half a dozen little grey bricks, each a couple of inches square.
I took up one and found that it crumbled easily in my hand. Then I smelled it and put my tongue to it. After that I sat down to think. I hadn't been a mining engineer for
137
