Engine, dividing

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Ingenium, 1987.0844.001
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OBJECT TYPE
LINEAR/MANUAL DRIVE/METRIC
DATE
1930
ARTIFACT NUMBER
1987.0844.001
MANUFACTURER
NALDER BROS. & CO.
MODEL
Unknown
LOCATION
Westminster, England

More Information


General Information

Serial #
30493
Part Number
1
Total Parts
1
AKA
N/A
Patents
N/A
General Description
WOOD BASE/ CAST IRON/ BRASS

Dimensions

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

Length
95.6 cm
Width
28.2 cm
Height
31.5 cm
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Meteorology
Category
Miscellaneous
Sub-Category
N/A

Manufacturer

AKA
NALDER
Country
England
State/Province
Unknown
City
Westminster

Context

Country
Canada
State/Province
Ontario
Period
1870'S +
Canada
A BRITISH MADE INSTRUMENT USED BY THE CANADIANMETEOROLOGICAL SERVICE EARLY IN ITS HISTORY, IN THE PRODUCTION OF INSTRUMENTS DESIGNED & BUILT BY THE SERVICE. SEE 1852 ARTICLE DISCUSSING THE POTENTIAL USE A DIVIDING ENGINE AT THE TORONTO MAGNETIC & METEOROLOGICAL OBSERVATORY (REF. 4 IN SUPP. INFO.).
Function
A DEVICE USED TO RULE A STRAIGHT LINE SCALE. AT AES IT WAS USED TO PRECISELY ENGRAVE LINEAR SCALES FOR METEOROLOGICAL INSTRUMENTS (T. HACKING, AES).
Technical
HAS RATCHETT MECHANISM FOR ADVANCING LEAD SCREW & ENGRAVING MECHANISM/ NUT ON LEAD SCREW CONTACTS SCREW BY MEANS OF 4 GEARED WHEELS TO REDUCE BACKLASH/ STOP IS INTEGRAL PART OF WHEEL/ ENGRAVING TOOL HAS 3 SCREWS WHICH CONTACT NOTCHES IN A WHEEL TO DETERMINE LENGTH OF ENGRAVED LINE (SHORT, MEDIUM, LONG).
Area Notes
Unknown

Details

Markings
PLATE READING 'NALDER BROS. & CO./ WESTMINISTER/ NO. 30, 493'/ INCISED BLACK MARKINGS ON METALLIC SCALE
Missing
STRING ATTACHED TO ENGRAVING TOOL TO LIFT POINT AFTER STROKE OF ENGRAVER POINT/ ENGRAVER POINT REPLACED BY WHAT APPEARS TO BE A DENTAL BURR SHARPENED AT THE PROXIMAL END.
Finish
VARNISHED WOOD/ BLACKENED BED/ BRASS & METALLIC PARTS/ BLACK ENAMEL PAINTED PARTS
Decoration
N/A

CITE THIS OBJECT

If you choose to share our information about this collection object, please cite:

NALDER BROS. & CO., Engine, dividing, 1930, Artifact no. 1987.0844, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1987.0844.001/

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