Tesseract was a science fiction fanzine published by C. Hamilton Bloomer in San Francisco, Ca., U.S.A. and later edited by Raymond Van Houten.
Tesseract was the official publication for the Science Fiction Advancement Association. It was published in the 1930s and was a hectographed and side stitched fanzine. By Vol 3 No. 1, October 1937, the fanzine was being edited by Raymond Van Houten and had been retitled New Tesseract. The last issue was published in March 1938.
Articles sich as "Degeneration: A Note on Stantion A. Coblentz" by Peter Duncan,
Contributors included Forrest J. Ackerman, Robert Bloch, Miles J. Breuer, M.D., Willis Conover, J. Harvey Haggard, Louis C. Smith. Roy A. Squires.