Dent Congreve rolling ball clock, no. 77
Record status
Individual type · partial
Period
1974
This Congreve rolling ball clock, designated number 77 and dated 1974, is attributed by the source to Dent, Robert Mackinnin. The timepiece features a single fusee movement fitted with a roll-over seconds indicator.
Time is indicated across three silvered Arabic chapter rings marking hours, minutes, and quarter-minutes, equipped with blued moon hands. The open brass movement is supported by four turned columns resting on a brass plinth with an applied maker's plate. The clock base is mounted upon a tiered mahogany and green variegated marble foundation.
Evidence at a glance
- Linked sources
- 1
- Photograph views
- 1
- Catalogue references
- 0
Counts describe this entry’s documentation, not authenticity, rarity or completeness. Photographs may show one specimen; check each caption and licence.
Technical characteristics
- Type
- Rolling ball clock
- Movement
- Substantial single fusee movement with roll-over seconds indicator
- Dimensions
- Wide 49cm, deep 37cm, high 37cm
- Dials and Hands
- Three silvered Arabic chapter rings showing hours, minutes, and quarter-minutes with blued moon hands
- Maker and Serial
- Dent, Robert Mackinnin, no.77, 1974
- Base Construction
- Supported by four turned columns to a plinth base with applied maker's name plate, standing on a mahogany and variegated marble base
- Maker / attribution
- Dent, Robert Mackinnin
Design
- Visible features
- • Three circular silvered chapter rings are positioned across a brass framework above the grooved tilting rolling ball table. • The clock mechanism stands on a square brass plinth supported by four turned brass corner pillars, set onto a wooden tier and green veined marble base. • A small triangular plaque marked 'DENT' is mounted on the front face of the brass plinth.
- Movement and Rolling Ball Mechanism
- The listing records the mechanism as a substantial single fusee movement fitted with a roll-over seconds indicator, operating on the Congreve rolling ball principle. Internal movement construction and escapement specifics beyond the fusee and seconds indicator are not detailed in the catalogue description.
- Dial Arrangement and Time Indication
- The timepiece incorporates three silvered Arabic chapter rings that register hours, minutes, and quarter-minutes, each equipped with blued moon hands. Visual inspection confirms that these three circular dials are mounted across a brass frame positioned above the grooved tilting rolling ball table.
- Base Construction, Cover, and Attribution
- The movement framework is supported by four turned columns resting on a plinth base fitted with an applied maker's name plate, standing on a mahogany and variegated marble base. Direct observation shows the plinth is brass, resting on a wooden tier and green veined marble base, with a triangular plaque marked 'DENT' affixed to the front. The lot is catalogued under the heading 'Dent, Robert Mackinnin, no.77, 1974' and is noted as accompanied by a perspex case, measuring 49 cm wide, 37 cm deep, and 37 cm high.
Identification
- Serial number
- no.77
- Source note
- Facts transcribed from the linked source listing or collection record. Attribution and specifications are source-reported and have not been independently authenticated.
Catalogue references
No catalogue numbers recorded. Numbers are only published once transcribed from a verified edition of a standard catalogue — they are never inferred.
Research required
- Research required: The perspex case mentioned in the catalog description is not shown in the image.
- Research required: Specific country of origin is not explicitly stated in the listing text.