General Information

Serial #

N/A

Part Number

1

Total Parts

3

AKA

N/A

Patents

N/A

General Description

WOODEN CASE/ BRASS, STEEL & OTHER METALS/ SYNTHETIC PARTS/ GLASS DOOR ON CLOCK

Dimensions

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

Length

127.0 cm

Width

31.0 cm

Height

17.0 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Horology

Category

Clocks

Sub-Category

N/A

Manufacturer

AKA

SYNCHRONOME

Country

England

State/Province

Unknown

City

Unknown

Context

Country

Canada

State/Province

Ontario

Period

C.1920-1947

Canada

USED AT AGINCOURT ON OBSERVATORY, A MAGNETIC & METEOROLOGICAL STATION. LATER IT WENT TO THE DOMINION OBSERVATORY WITH MR. WHITHAM, THE DONOR.

Function

USED TO MAINTAIN VERY PRECISE TIME - USUALLY FOR SCIENTIFIC PURPOSES BUT ALSO TO SYNCHRONIZE SIGNALS ON LONG TELEGRAPH CABLES (EG. TRANS-OCEANIC). ELECTRCIALLY CONTROLLED ELECTROMAGNETS PROVIDE PULSE EVERY 30 SECONDS TO "DRIVE" PENDULUM. ACCURACY 1/2000 S/DAY.

Technical

EXAMPLE OF THE MOST PRECISE TYPE OF TIME KEEPER FROM C.1924-9. IT WAS SURPASSED BY THE QUARTZ CLOCK DEVELOPED BY CANADIAN, WARREN A. HARRISON IN 1929 [REF.3]

Area Notes

Unknown

Details

Markings

.1 ON CLOCK FACE: 'Synchronome/ Electric [IN CURSIVE]/ [HOURS MARKED IN ROMAN NUMERALS]/ [SECONDS MARKED IN TENS ON SEPARATE SECOND FACE]'/ PLATES INSIDE CLOCK CASE: 'EXTERNAL/ SECONDS/ DIALS' 'ONE/ MINUTE/ IMPULSE'/ 'ENGLISH MADE PATENTED' ON METAL BAR/ 'N/ R/ A/ 1984' ON PLATE/.2: ON BOTTOM BRASS KNOB: '10 20 30'/.3: ON PLATE AFFIXED TO SIDE: 'SYNCHRONOME PATENT./ [SCALE DIVIDED IN TENS WITH MIDDLE 0 TO 5 IN BOTH DIRECTIONS]'

Missing

APPARENTLY COMPLETE From CA of 07/06/1995 by Tony Missio: Undetermined

Finish

.1 CASE STAINED & VARNISHED/ CLOCK FACE CHROMED WITH BLACK HANDS & MARKINGS/.2 BLACK BOB/.3 STAINED & VARNISHED WOOD WITH BLACK MARKINGS

Decoration

MOLDING AROUND TOP & BOTTOM OF CLOCK CASE/ GLASS DOOR ON CASE HAS ARCHED TOP