2 LEEDS & NORTHRUP CO. REFLECTING GALVANOMETERS

2 LEEDS & NORTHRUP CO. REFLECTING GALVANOMETERS Two Leeds & Northrup Co. reflecting galvanometers. Serial numbers 1067355 and 207797. Weight: 9.25" Shipping / Pickup: Buyer Pick Up, 3rd Party

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

A D'Arsonval Galvanometer by Leeds & Northrup Co., Philadelphia, Early 20th Century. H: 9 D: 4 3/4 ins. Proceeds to benefit the Case Western Reserve University Dayton Miller Scholarship Fund.

A Wheatstone Bridge by Leeds & Northrup Co., Philadelphia, 20th Century, Together with a slide wire resistor, 20th Century. H: 2 1/2 W: 23 3/4 D: 6 1/4 in.

A Wheatstone Bridge by Leeds & Northrup Co., Philadelphia, 20th Century, and a Slide Wire Resistor, 20th Century. H: 2 1/2 W: 23 3/4 D: 6 1/4 in. Proceeds to benefit the Case Western Reserve Universit

2 Reflecting Galvanometers, c. 1915 1) With 2 sliding coils and scale, on polished wooden board with 3 adjustable feet, size 12 ½ x 6 ¼ x 11 2/5 in., with paper label: "Physikalisches Kabinett �

Two portable volt meter type pc, a Westinghouse (East Pittsburg,Pa) and a Leeds & Northrup co. Philadelphia.

5.75 x 5.75 x 5.5 inches - some damage to base

12.75 x 9 x 7.75 inches when closed

9 x 7.5 x 6 inches when closed

Leeds & Northrup Co. Three Decade Resistors

Mfg. by Wheelco Instruments Co. Dimensions: 8.00 " W x 11.00 " H x 5.00 "D; 

18 x 11 x 9 inches when covered

19.5 x 8.25 x 3.75 inches; untested

13.25 x 7.5 x 7.25 inches

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

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

Decade resistor box by Leeds & Northrup Co. Philadelphia. Patent No. 191685. Dimensions: 14.00 " W x 5.00 " H x 1.25 "D; 

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

An Electrical Resistor Decade Box by Leeds & Northrup Co., Philadelphia, 20th Century. Numbered 6203. Having copper fittings. H: 5 1/8 W: 8 1/4 D: 3 3/4 ins. Proceeds to benefit the Case Western Reser

Also includes R.B. Annis Company, Triplett, Thommen, A.W. Sperry Instruments Inc., Lunasix, and Morris E. Leeds& Co. 2-1/4" to 6-1/2" wide X 3/4" to 3-1/2" deep. MEG IMPORTANT: Before bidding, please

NASA APOLLO Mission DC Null Detector by Leeds & Northrup Part No Catalog # 9834 Piece is 8 1/2" by 13 1/2" by 6 1/2" All items from the Estate of Charles Bell space auction in May of 2000 All item for

An Electric Light Source with Scale Holder and Cord by Hartmann and Braun, Frankfurt, Late 19th/Early 20th Century. Used with a reflecting galvanometer or similar instrument. H: 17 1/2 D: 5 1/2 ins.

A Mounting Bracket for a Light Source, Early 20th Century. Used with a reflecting galvanometer or similar instrument. Tripod feet dimensions: 7 1/2 in. H: 11 3/4 W: 7 1/2 ins.