Geneva, Illinois: Riverbank Laboratories 1918. First Edition. 16 pages plus 9 tables (7 folding) 22.3 x 28.6 cm cm. Stiff tan publisher's wraps with cover titles duplicating title page. One of 200 copies per limitation statement on copyright page. Provided in the originally issued Riverbank Laboratories button and string flapped manila envelope with matching limitation number printed in red upper right corner. Bumps and minor creasing to corners of envelope not affecting publication. Stapled at spine (rusty staples). Near Fine. Stiff Wrappers. 
A restricted publication not publically available when issued, it appears in a few institutional collections, but is rarely found on the market. 'set[s] out cipher systems in a tabular arrangement similar to that devised by Porta.' Bibliography: p. 14-16 Authorship attribution from Galland. [ Methods of Deciphering]
See J.S. Galland, An Historical and Analytical Bibliography of Cryptology, page 68. See also Kahn, The CodeBreakers, 1996, p375, Shulman, An Annotated Bibliography of Cryptography, 1976, p82.