KE Deci-Lon Slide Rules (2)

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A pair of vintage K&E slide rules, including: one Model 68 1120 Deci-Lon 5 and one Model N-4100. The first comes in original box with leather case and instructions, dated 1961 The second comes in hard

A pair of vintage slide rules by K&E, including: one 5 Deci-Lon 68-1130 and one 10 Deci-Lon 68-1100. Both in good, functioning condition with original leather cases. *note - marker writing on outside

5 K&E Slide rule grouping, 1- Deci Con, 1- 4183-3, 1-4041, 2-4503-3, All have whole slides, windows, cases

Here is a large lot of important devices for pilots and mathematicians....including......Deci-lon Slide Rule ($64 used).....DorCliff Super Plotter for pilots--pilots know that a plotter left in the su

A duo of large size vintage slide rules by K&E, including: one No. 4080-5 Log Log Duplex Trig and one No. 4051. Both clean and in functioning condition with individual leather cases. *note - both curs

TWO VINTAGE SLIDE RULES (2)

A collection of six vintage slide rules by K&E, including: one N4080-3 Log Log Duplex Trig SN#559691, one 4092-3 SN#257384, one N4053-3 SN#037321, one N4041 Mannheim, one 4055 Favorite Mannheim, and o

Getting all pictured

Lot of 4 vintage slide rules. Includes 2 Raphoplex slide rules made in France, a W&G no. 432 Dual Face comprehensives slide rule made in Australia and a Russian made slide rule in blue case. All come

Also includes: Goodell-Pratt Company hand drill, Stanley reticulated drill, K & E Log Log Duplex slide rule and Pickett slide rule.

The manual is copyright 1891 so the slide rule is potentially 1890s. This is a very early version of one of the most scientific computing devices.Date: Country (if not USA): State: City: Provenance:

2 SLIDE RULE ACU-MATH NO. 400 | VINTAGE COLLECTIBLE SLIDE RULE RULER ARCHITECT ALGEBRA TRIGONMETRY ENGINEER TOOL DRAFTING -CONDITION ALIGNS WITH VINTAGE WEAR -CASE DAMAGED (SEE IMAGE) -HS5721

Seven (7) Keuffel & Esser (K&E) duplex slide rules, including two (2) 4160 Chemist's slide rules; one (1) N4081-5 20" Log Log Decitrig slide rule; one (1) 68-1200 Log Log Duplex slide rule; one (1) 40

Sykes Hydrometer, J. Long, London. Serial number 23708. Original mahogany box with float, 10 weights, thermometer & 2 slide rules. All marked with correct name and serial number. Box measures 2" x 4 1

1st item: Eckel Dial-O-Matic Engineer's or Engineer's Log Log slide rule, manufactured by Lithocalculator Company, Arcadia, California, circa 1955. Comprised of two celluloid-coated aluminum disks, on

Keuffel & Esser (K&E) 4012 Thacher Cylindrical Slide Rule, serial number 3596. Comprised of a brass core covered by paper marked with forty A scales, surrounded by an open rotating frame with twenty m

4 Military Calculating Devices 1) Measurement triangle by Gebrüder Haff, Pfronten, Bavaria; for determining the distance of hostile artillery. - 2) English slide rule, for height/angle calculati

Radio, Zenith Wavemagnet, 2-tone wood case w/wrap-around grill, slide rule black dial, AM broadcast & 2-shortwave bands, c.1940, Exc wkg cond, 9"H x 15.5"W x 9.5"D.

Model 1010 white painted slide rule. 80" X 1 1/2" X 11 1/4". Paint is flaking off though out the piece.Keywords: Mathematic, scientific, measurement, classroom, Educational, Teaching, Display, Adverti

Kutz, Maker 164 Water St. N- York. Early 2' 2 fold carpenter rule with slide. Also marked "B. O'Neill 1830" (Weaver)

LOT 2 SLIDE RULER AND SLIDE RULE BOOK CONTAINS: "THE SLIDE RULE AND LOGARITHMIC TABLES BY CLARK, PICKET n902-es SIMPLEX TRIG SLIDE RULE, KEUFFEL & ESSER CO n4053-3 PAT1,934,232 | VINTAGE COLLECTIBLE S

Lot of two vintage slide rules. Each includes a case, one can snap shut. Each slide rule reads as KEUFFEL & ESSER CO. Includes patent info. Wear is consistent with age and use. Each measures approx 12

Two (2) Faber Castell, Germany scientific items, including one (1) Mathema 2/84 Full Hyperbolic duplex slide rule, comprised of white plastic with a plastic cursor with hairlines and plastic edges hel