Cambridge, Massachusetts: Harvard University Press 1949. First Edition. xvi, [2], 336 pages. 4to [10 3/4 x 8 3/8 inches]. Publisher's blue cloth. The rare dust jacket is present, albeit chipped, stained, and worn (especially at foredges). Bright and clean internally. Near Fine / Fair. Cloth.

"The electromechanical Harvard Mark..... More

New York: American Telephone and Telegraph Company 1949. First Edition. viii, 753 pages. 8vo. Dark blue/black cloth with replaced endpapers. Page edges speckled. Spine lettering "Bell System Technical Journal" | "Vol 28, 1949". Ex-libris "P. Caporale" with owner's name lettered on front panel and signature on front pastedown endpaper. This..... More

Washington, D. C. The National research Council 1943. First Edition. We offer a nearly complete run of this important early computer serial: Numbers 1, 2, 5-59, 66-70, each in the original wrappers as published. Small quarto and octavo sizes, approx 12 inches shelf space. Occasional minor soiling. From the library..... More

Riverbank, Geneva Ill. Riverbank Laboratories Department of Ciphers 1918. First Edition. [2], [1]-58, [28] pages 28.5 cm. Provided in the originally issued Riverbank Laboratories button and string flapped manila envelope with limitation number on outside (tear at flap fold). Individually numbered limitation of 200 copies (so stated on copyright page)..... More

Riverbank, Geneva Ill. Riverbank Laboratories Department of Ciphers 1918. First Thus. [28] pages. Oblong 22x28.5 cm. No limitation stated. Stiff brown publisher's wraps with cover titles duplicating title page (as issued). Black cloth spine as issued. Fine. Wraps.

The last 26 pages comprise 'Synoptic Tables for the Star Cipher'..... More

Jim Brooks. 1960/70s? Approx 14 x 11 inches. Watercolor/goache on artists' board. Minor wear to extremities, some doodles on the back. Sound, noting some minor damage to the image on the chair arm, left side. Very Good.

A visitor to Treasurer Mr Snow's office wants "our computer to meet..... More

Los Angeles, CA: Los Angeles IRE Professional Group on Electronic Computers 1952. First Edition. Variously paginationed. 8 1/2 x 11 inches. Comb bound (minor damage to comb). Publisher's flexible green printed wraps. Stamp of MIT Professor Frank M. Verzuh on front cover. Very Good. Comb Bound.

Contains the article..... More

Riverbank, Geneva Ill. Riverbank Laboratories Department of Ciphers 1919. First Edition. 50 pages 28.7 cm x 22.2 cm. Publisher's stiff tan wrappers with black printed front cover duplicating title page. No statement of limitation. Number "116" circled at top of front wrapper. Staples rusted, occasional light staining from damp, center..... More

[Maynard, Massachusetts]: Digital Equipment Corporation. Measures approximately 8 1/4 x 10 1/2 inches. Rear of card has markings including "8K OR 4K x 12 BIT STACK BD G646C" in solder on the board. "DEC H-212-14370" under varnish in back. "M07370750" on white sticker. Overstamped with square box and "MO 70"..... More

New York City: Bell Telephone Laboratories, Inc. [ no date ]. [1]-7 pages. 10 7/8 x 8 3/8 inches. Typescript carbon on thin paper printed recto only. Old rusty paperclip upper left with some creasing/marking to the leaves. Provided with a copy of the published offprint: [1-blank], 148-151, [1-blank] pages..... More

[no place of publication stated]: [no publisher stated] [no date stated]. [1]-5 pages. 10 7/8 x 8 3/8 inches. Typescript on thin typewriter paper typed on recto only. Stapled upper left. Stained. Two penciled corrections in an unknown hand (one typo, one number correction). The typewriter paper is watermarked "75%..... More

Menasha, Wisconsin: Institute of Radio Engineers, Inc. 1953. First Edition. [1A]-80A (advertisements), [2-table contents], 1219-1568, 81A-192A (advertisements) pages. 11 x 8 1/2 inches. Proceedings of the IRE, Vol 41, October 1953, No. 10, the entire issue offered. Pictorial wrappers. The previous owner's name, "Ken Atwood,” is inked on the front..... More