In the following table, the first column represents the keys, which when depressed, produce a deflection of the needles, (represented in the columns, second, third and fourth,) by means of their batteries, and thus closing the circuit of the wires, ̈1, ̈2, ̈3, ̈4, ̈5 and ̈6, by which the fluid, is made to pass through the prepared fabric, and mark upon its space, or spaces, numbered 1, 2, 3, 4, 5 and 6, in the fifth column. In the sixth column are the letters which the marks upon the fabric are intended to represent. Keys. Needles. Needles. Needles. Spaces on Fabric. Letters. H, 7, A, T, - - 1, A. J, 7, A, S, - - 2, B. K, 7, B, T, - - 3, C. M, 7, B, S, - - 4, D. O, 7, C, T, - - 5, E. U, 7, C, S, - - 6, F. H, K, 7, A, T, B, T, - 1, 3, G. J, M, 7, A, S, B, S, - 2, 4, H. K, O, 7, B, T, C, T, - 3, 5, I. M, U, 7, B, S, C, S, - 4, 6, J. H, O, 7, A, T, C, T, - 1, 5, K. J, U, 7, A, S, C, S, - 2, 6, L. H, M, A, T, B, S, - 1, 4, M. J, K, A, S, B, T, - 2, 3, N. K, U, B, T, C, S, - 3, 6, O. M, O, B, S, C, T, - 4, 5, P. H, U, A, T, C, S, - 1, 6, Q. J, O, A, S, C, T, - 2, 5, R. H, K, O, 7, A, T, B, T, C, T, 1, 3, 5, S. J, M, U, 7, A, S, B, S, C, S, 2, 4, 6, T. H, K, U, A, T, B, T, C, S, 1, 3, 6, U. J, M, O, A, S, B, S, C, T, 2, 4, 5, V. H, M, U, A, T, B, S, C, S, 1, 4, 6, W. J, K, U, A, S, B, T, C, S, 2, 3, 6, X. H, M, O, A, T, B, S, C, T, 1, 4, 5, Y. J, K, O, A, S, B, T, C, T, 2, 3, 5, Z. _Telegraphic Letters._ 1 · · · · · · · · · 2 · · · · · · · · · 3 · · · · · · · · · 4 · · · · · · · · · 5 · · · · · · · · · 6 · · · · · · · · · A B C D E F G H I J K L M N O P Q R S T U V W X Y Z