Sharpener, microtome knife

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Ingenium, 1987.1229.001
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OBJECT TYPE: N/A
DATE: 1975
ARTIFACT NUMBER: 1987.1229.001

MANUFACTURER: American Optical Co.
MODEL: SPENCER
LOCATION: Keene, New Hampshire, United States of America

More Information

General Information

Serial #: 1255
Part Number: 1
Total Parts: 3
AKA: N/A
Patents: N/A
General Description: CASING, ENAMELLED METAL, STAINLESS STEEL MECHANISM, PLASTIC LID, PLASTIC KNOBS, ELECTRIC CORD ENCASED IN SYNTHETIC RUBBER, GLASS HONING PLATES

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length: 69.0 cm
Width: 27.0 cm
Height: 30.0 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

Group: Medical Technology
Category: Medical equipment
Sub-Category: N/A

Manufacturer

AKA: American Optical
Country: United States of America
State/Province: New Hampshire
City: Keene

Context

Country: Canada
State/Province: Ontario
Period: C.1973-1987 AT THE OTTAWA CIVIC HOSPITAL HISTOLOGY LAB
Canada: AN EXAMPLE OF TECHNOLOGY USED IN ALARGE CANADIAN HOSPITAL LABORATORY C.1970.
Function: SHARPENS MICROTOME KNIVES. THE KNIFE IS LOCKED IN PLACE BY A KNIFE HOLDER & HELD AT A FIXED ANGLE TO THE HONING PLATE. HONE TABLE OSCILLATES SIDE TO SIDE & KNIFE IS STROKED AGAINST THE OSCILLATING GLASS PLATE. THE KNIFE IS FLIPPED OVER AUTOMATICALLY AFTER 4 STROKES. [REF. 1]
Technical: AN EXAMPLE OF AUTOMATION OF A PREVIOUSLY MANUAL JOB. A PRECISE EFFICIENT & SAFE METHOD TO SHARPEN KNIVES USED IN MICROTOMES. THIS INSTRUMENT AUTOMATICALLY HONES THE KNIFE EDGE IN A SAFE DUST & GRIT FREE PROCESS. THE CUTTING OF HISTOLOGICAL SPECIMENS PROPERLY IS CRUCIAL TO THE STUDY OF PATHOLOGY.
Area Notes: Unknown

Details

Markings: MARKINGS ON RT. METAL SIDE PLATE WORN OFF AROUND TIMER/ INCISED ON SIDE PLATE '1255', POSSIBLE SERIAL NO. COMPANY LOGO/ TRADEMARK 'AO' VISIBLE. LABEL ON FRONT LID TYPEWRITTEN 'TOP POSITION - COARSE/ BOTTOM POSITION - FINE'/ HANDWRITTEN ON LABEL ON FRONT LID '[COARSE HONING USE] L' PLATE/ [FI]NE HONING- USE "CS" PLATE'/ PRINTED ON PLATE ATTACHED TO BOTTOM FRONT [CO. LOGO] 'AO/ SPENCER/ Microtome/ KNIFE SHARPENER'/ UNDER LID PRINTED ON PLATE 'FACTORY SERVICE/ KEENE, N.H.'/ PRINTED ON LABEL FRONT RIGHT 'DANGER/ DO NOT OPERATE/ WITH COVER OPEN'/ PRINTED ON LABEL FRONT LEFT 'PROPERTY TAG/ ASSET/ No./ 3-4615'
Missing: KNIVES, HONING ABRASIVES, WOOD INSPECTION BLOCK
Finish: CASE - BLUE-GREY ENAMELLED METAL; PLASTIC LID - CLEAR; BLACK PLASTIC KNOB; STAINLESS STEEL SIDE PLATE; WHITE PLASTIC CONTROL KNOB; ELECTRIC CORD BLACK, HONING PLATES OPAQUE GLASS
Decoration: N/A

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American Optical Co., Sharpener, microtome knife, circa 1975, Artifact no. 1987.1229, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/item/1987.1229.001/

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