General Information

Serial #

3144594

Part Number

1

Total Parts

4

AKA

N/A

Patents

N/A

General Description

ZINC ALLOY BODY/ OTHER METAL PARTS/ SYNTHETIC PARTS

Dimensions

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

Length

16.0 cm

Width

19.0 cm

Height

16.0 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Motorized Ground Transportation

Category

Automotive engineering

Sub-Category

N/A

Manufacturer

AKA

Bosch

Country

United States of America

State/Province

Unknown

City

Unknown

Context

Country

Canada

State/Province

Ontario

Period

C. 1918

Canada

FROM COLLECTION OF AUTOMOBILE PTS & SERVICING EQ ACQUIRED BY MR. T.H. OLIVER, FATHER OF DONOR, DURING CAREER IN AUTOMOTIVE SERVICING. AFTER WORKING AT WILLYS-OVERLAND & FAIRBANKS-MORSE IN TORONTO, & IN AUTO GARAGE IN AURORA, IN 1931 HE BEGAN HIS OWN BUSINESS, ONE PART OF WHICH INVOLVED AUTOMOTIVE ELECTRICAL SERVICING.

Function

PART OF IGNITION SYSTEM OF INTERNAL COMBUSTION ENGINE. IT USES MAGNETIC FIELD TO PRODUCE ELECTRIC SPARK WHICH EXPLODES GASOLINE VAPOUR IN CYLINDER OF ENGINE, ENABLING IT TO FUNCTION.

Technical

BOSCH AB33 ALONG WITH WICO EF WERE WORK-HORSES OF SINGLE CYLINDER HIGH TENSION MAGNETO FIELD. THESE WERE USED OVER PERIOD OF 20 YEARS OR MORE IN WIDE RANGE OF SINGLE CYLINDER ENGINE APPLICATIONS ON FARMS & IN CONSTRUCTION. THEY WERE MODIFIED BY BOSCH FOR APPLICATION ON WIDE VARIETY OF ENGINE DESIGNS, EMPLOYING VARIOUS OSCILLATING TRIP MECHANISMS (REF. 1).

Area Notes

Unknown

Details

Markings

CAST & INCISED LETTERING ON SIDE READS "NO. 3144594/ TYPE AB33 ED-1/ AMERICAN/ BOSCH/ MAGNETO CORP." ON.1/.2-.3 SAME LETTERING EXCEPT "NO. 3246029" ON.2; "NO. 32449891" ON.3; "NO. 3169931" ON.4/ INCISED PATENT INFO. ON TOP/.3 CW TAG READING "Wi Pattenden" (FROM OLIVER CATALOGUE: Well known local contractor & cement mason from 1920s through to 1940s in Aurora)/.4 CW TAG READING "FROM T.H. OLIVER/ REFRIGERATION & ELECTRIC SERVICE/ PHONE 251, AURORA/ ToDavidson Store/ Bellhaven"

Missing

.1 & .3 MISSING SPRINGS/ ALL HAVE PART OF SYNTHETIC PIECE BROKEN OFF/ .4 CAP WITH PATENT INFO.

Finish

METALLIC GREY/ BLACK SYNTHETIC

Decoration

N/A