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Rare L. E. Knott Apparatus Co. Boston Scientific Decade Resistance

Rare L. E. Knott Apparatus Co. Boston Scientific Decade Resistance

$249.95$124.97

Antique Measuring Instrument L.E. Knott Apparatus Co. Galvanometer

Antique Measuring Instrument L.E. Knott Apparatus Co. Galvanometer

$200.00$100.00

Vintage L. E. Knott Apparatus Small Hanging Scale Grams, Ounces Forschner & Sons

Vintage L. E. Knott Apparatus Small Hanging Scale Grams, Ounces Forschner & Sons

$15.95$7.97

Rare L. E. Knott Apparatus Co. Cambridge Ammeter Bakelite Untested

Rare L. E. Knott Apparatus Co. Cambridge Ammeter Bakelite Untested

$45.00$22.50

L.E. Knott Apparatus Co. Balance Scale Made By C. Forschner & Sons Collectible b

L.E. Knott Apparatus Co. Balance Scale Made By C. Forschner & Sons Collectible b

$22.00$11.00

1921 L.E. Knott Apparatus Company Physical Instruments Illustrated Catalogue

1921 L.E. Knott Apparatus Company Physical Instruments Illustrated Catalogue

$99.60$49.80

1906 Vintage L E Knott Apparatus Company Harcourt Binder Physics Turner Hersey

1906 Vintage L E Knott Apparatus Company Harcourt Binder Physics Turner Hersey

$50.00$25.00

L E Knott Apparatus 8-ounce metal scale balance Made by C Forschner & Sons

L E Knott Apparatus 8-ounce metal scale balance Made by C Forschner & Sons

$12.99$6.50

L. E. Knott Apparatus Balance By C. Forschner Gram Ounce Antique Spring Scale

L. E. Knott Apparatus Balance By C. Forschner Gram Ounce Antique Spring Scale

$16.99$8.49

1921 L.E. Knott Apparatus Company Scientific Instruments Illustrated Catalogue

1921 L.E. Knott Apparatus Company Scientific Instruments Illustrated Catalogue

$75.60$37.80

Antique Galvanometer from 1904 - L.E. Knott Apparatus Company - Excellent!! LQQK

Antique Galvanometer from 1904 - L.E. Knott Apparatus Company - Excellent!! LQQK

$495.00$247.50

Vintage L. E. Knott Apparatus Small Hanging Scale Grams & Ounces

Vintage L. E. Knott Apparatus Small Hanging Scale Grams & Ounces

$20.00$10.00

Vintage Steampunk L. E. Knott Boston Apparatus Co. Science "Decade Resistance"

Vintage Steampunk L. E. Knott Boston Apparatus Co. Science "Decade Resistance"

$99.00$49.50

New 2024 Knotts Halloween Scary Farm Elvira Pin RARE L/E 300 Week 1

New 2024 Knotts Halloween Scary Farm Elvira Pin RARE L/E 300 Week 1

$23.99$11.99

SCALE BALANCE C. Forschner & Sons 15 kilos 30lbs L.E. Knott Brass NICE !

SCALE BALANCE C. Forschner & Sons 15 kilos 30lbs L.E. Knott Brass NICE !

$10.00$5.00

1920’s Physics Workbook Laboratory Work Turner Hersey 1923 Harcourt Binder Laced

1920’s Physics Workbook Laboratory Work Turner Hersey 1923 Harcourt Binder Laced

$38.23$19.11

L.E. Knott Type Resistor Box Columbia School Suply Co

L.E. Knott Type Resistor Box Columbia School Suply Co

$25.00$12.50

1909 Leuckart Chart Catalog Request L. E. Knott Apparatus Co. Harcourt Boston MA

1909 Leuckart Chart Catalog Request L. E. Knott Apparatus Co. Harcourt Boston MA

$2.53$1.26

1929 Lamson Goodnow L E Knott Apparatus Co Cambridge MA Ephemera L617D

1929 Lamson Goodnow L E Knott Apparatus Co Cambridge MA Ephemera L617D

$12.95$6.47

Antique L.E Knott Apparatus Co. Apothecary Cast Iron Scale With Milk Glass Trays

Antique L.E Knott Apparatus Co. Apothecary Cast Iron Scale With Milk Glass Trays

$119.99$59.99

RARE ANTIQUE AUTHENTIC L.E. KNOTT APPARATUS LARGE WOOD ENDS COIL NO RES

RARE ANTIQUE AUTHENTIC L.E. KNOTT APPARATUS LARGE WOOD ENDS COIL NO RES

$199.99$100.00

Antique Scientific Scale Weights Knott Pharmacuticeutical Apothecary Balance

Antique Scientific Scale Weights Knott Pharmacuticeutical Apothecary Balance

$245.00$122.50

Antique L.E .Knott Apparatus Co. Apothecary Cast Iron Scale

Antique L.E .Knott Apparatus Co. Apothecary Cast Iron Scale

$175.00$87.50

New 2024 Knotts Halloween Scary Farm Elvira Pin RARE L/E 300 Week 1

New 2024 Knotts Halloween Scary Farm Elvira Pin RARE L/E 300 Week 1

$28.00$14.00

L. E. Knott Apparatu - A Catalogue Of Physical Instruments Catalogue - T9000z

L. E. Knott Apparatu - A Catalogue Of Physical Instruments Catalogue - T9000z

$48.85$24.43

Antique Measuring Instrument Apparatus Co. Galvanometer RARE

Antique Measuring Instrument Apparatus Co. Galvanometer RARE

$273.75$136.88

Antique L. E. Knott Apparatus Co. 15 Kilo / 30 Lb. Forschner Hanging Balance Sca

Antique L. E. Knott Apparatus Co. 15 Kilo / 30 Lb. Forschner Hanging Balance Sca

$35.00$17.50