Vintage Leeds & Northrup Test Set No. 5430-A

9 x 7.75 x 6 inches when closed

9 x 7.5 x 6 inches when closed

DESCRIPTION: Three vintage test instruments. Includes: 1) Weston AC voltmeter. 2) Leeds & Northrup Type S fault location in cables with instructions. 3) Junior multimeter. MEASUREMENTS: Various. CONDI

5.75 x 5.75 x 5.5 inches - some damage to base

12.75 x 9 x 7.75 inches when closed

18 x 11 x 9 inches when covered

Vintage Leeds & Northrup Co Light beam Galvanometer Model 2420 in wooden case

8 x 5.5 x 9.75 inches

13.25 x 7.5 x 7.25 inches

Vintage Leeds & Northrup Co Potentiometer, 600 OHM Attenuation Box General Radio Co

Vintage Leeds & Northrup Temperature Potentiometer

19.5 x 8.25 x 3.75 inches; untested

24 x 7.5 x 5.25 inches when covered - some wear to case; untested

2 marked U.S. Standard with 20-4 grades. One marked 20-8 grades.

DESCRIPTION: An Ophthalmologist's test lens set. Marked with plaque on interior "Wellsworth" by American Optical Co. Set consists of a variety of lenses in a fitted oak tray inside a wood veneer case.

9.5 x 7 x 7 inches

Vintage Leeds Travel Bar Set

United States,Early 20th Century Accompanied with original museum label stating "DECADE BOX USED IN TESTING FIRST TELEPHONE CABLE FROM KEY WEST, FLORIDA, TO HAVANA, CUBA", which occurred in February,

Vintage 1925 Jewell Electrical Company Chicago Radio Test Set

A rare vintage Illinois Test of Psycholinguistic Abilities case with set of materials intended to administer tests to determine a child's language acquisition and use. Own a piece of history with this

Unmarked Platinum ring with old European cut diamond approx. 5mm solitaire with slight color, small sapphires per test set on shoulders. ring size approx 6.75. Has a hairline crack in metal on side of

Vintage C.H. Stoelting Goddard Form Board Test Form L, IQ kit wooden case with 10 wood puzzle pieces and figures. Measures 15" x 10" x 2. vintage medical, vintage psychology, vintage science

These two vintage rings test as solid 14K gold. One is a 1940s sorority ring, set with carnelian. It reads "The Loyal Sisters". The other ring is set with an opal and has a split back. Both rings are

Vintage 1960's Houghton-Mifflin, Stanford-Binet IQ Test with leather case and testing materials/ instruction. The Stanford-Binet test assesses various cognitive abilities, including verbal reasoning,