This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1891 Excerpt: ...under water, the Author is of opinion that the same results would have ensued with good Portland cement. The experience obtained in this work shows that large masses of perfectly sound concrete in situ can be rapidly formed under water, in exposed situations, without special plant and without staging, at a very small cost. The harbour works were successfully completed in 1891; and the Author has been the Engineer throughout. The communication is accompanied by four photographs and a plate, from the latter of which the Figs, in the text have been prepared. APPENDIX. Concrete In The Superstructure. The concrete used in the superstructure above the Teef deposited out Oi water was composed of 3 parts broken slag, J of gravel, 1 of sand, and 1 of cement (see the Table below). All...