a. (UN-1 7.)
1865. Engin. Facts & Figures, 1864, 43–4. It is only necessary to keep the diameter to moderate dimensions to secure an unburstable boiler.
1890. Times, 25 Oct., 5/1. The power that will make guns unburstable and armour impenetrable.
a. (UN-1 7.)
1865. Engin. Facts & Figures, 1864, 43–4. It is only necessary to keep the diameter to moderate dimensions to secure an unburstable boiler.
1890. Times, 25 Oct., 5/1. The power that will make guns unburstable and armour impenetrable.
