LAWRENCE ENGINNERING SERVICES SLIDE RULE PERU IN

LAWRENCE ENGINNERING SERVICES SLIDE RULE PERU INNDIANA SLIDE RULE WITH CASE MODEL 10-B | VINTAGE COLLECTIBLE SLIDE RULE RULER ARCHITECT ALGEBRA TRIGONMETRY ENGINEER TOOL DRAFTING -CONDITION ALIGNS WIT

LAWRENCE ENGINNERING SERVICES SLIDE RULE PERU INNDIANA SLIDE RULE WITH CASE MODEL 10-B | VINTAGE COLLECTIBLE SLIDE RULE RULER ARCHITECT ALGEBRA TRIGONMETRY ENGINEER TOOL DRAFTING -CONDITION ALIGNS WIT

LAWRENCE ENGINEERING SERVICE SLIDE RULE PERU INDIANA 10-B WOODEN | VINTAGE COLLECTIBLE SLIDE RULE RULER ARCHITECT ALGEBRA TRIGONMETRY ENGINEER TOOL DRAFTING -CONDITION ALIGNS WITH VINTAGE WEAR -SLEEVE

5 LOT SLIDE RULE-PRECISION, LAWRENCE, PICKETT PICKETT NO 902 SIMPLEX-TRIG, 2 PRECISION STERLING (ONE WITH BOOKLET) , PICKETT MODEL N902-ES SIMPLEX TRIG, LAWRENCE ENGINEERING SERVICE WABASH INDIANA, |

A compiled grouping of measuring tools. Rulers, K&E 4080-3 Log Log Duplex trig slide rule. Noris USA drafting set, Correx Gramm meter, rulers etc

1962 PICKET AND ECKEL SLIDE RULE WITH LEATHER CASE - GOOD CONDITION

#4092-3

Rule

ANTIQUE CALCULATOR, SLIDE RULE CYLINDER *FULLERS SLIDE RULE* K & S IN FITTED BOX W/LOCK & KEYS, APPROXIMATELY 18 IN X 5 IN X 4 IN, #495

Getting all pictured

Getting all pictured

Getting all pictured in box

Radionic industries pic probe, pomona electronics co mod 2900A high voltage test prob, polaris mod 651 40kv dual range probe, hexacon mod sm550 probe tester, K&E slide ruler, Lawrence deluxe slide rul

Appearing to date from the early 1900’s, measuring 9 1/4” x 6 1/4”, made with a slide lid and two-section interior. The dark exterior paint is accented by gold rule and decorated sid

Getting all pictured

Filotecnica Model 201 Back-Light Screen Projection Slide Rule, Italy c. 1955 In the early 1950s the company Filotecnica Salmoiraghi, well known for its precision equipment, developed a slide rule that

English, c. 1820, in boxwood and brass, double sided with numerous finely divided logarithmic scales and early form of cursor, time side with scales marked Half Sum, Lat, Diff, Time PM, Time AM, cu gr

Keuffel & Esser (K&E) 4090 universal slide rule, PN 19-19-19-19-19-19. Marked "Keuffel & Esser Co. N.Y., Pat. Oct. 6, 1891". Comprised of two-sided white celluloid coated mahogany, black metal framed

Ten (10) Keuffel & Esser (K&E) Slide Rules. 1st item: K&E 4061 Polyphase Duplex slide rule. Comprised of two-sided celluloid coated mahogany, with frameless glass cursor with plastic edges held togeth

A Rare Slide Rule Snuff Box, French, early 19th century, the tortoiseshell and bois durci circular box with ivorine veneer scale, the top and base with moulded relief scenes of the Louvre and Pont de

A Stanley Fuller Calculator Circular Slide Rule w. f. stanley & co. ltd., london, 1950 with a fitted wood case and brass mounting arm, together with a Fowlers: Twelve-Ten calculator. Length of first 1

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

This slide rule is in excellent condition with little signs of wear seen. It comes with original case. There is no instruction manual. It is about 12" long. Please, review pictures for condition and d

Vintage Sun Hemmi 22" Slide Rule. A large vintage bamboo slide rule (probably an engineering slide rule) made in Japan by Hemmi under the "Sun" brand. It's labeled a No. 70. In original box. 1930s. Si