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Vertical dial, Germany, c. 1600 — view 1 of 2
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Instruments · Vertical dial

Vertical dial, Germany, c. 1600

DocumentedDocumented from the holding institution's catalogue record.
Maker / attribution
Unrecorded in source
Date
c. 1600
Country of origin
Germany
Place
German
Object type
Vertical dial
Materials / technique
gilt and silvered brass
Dimensions
base 23x23 mm; total height 98 mm
Holding institution
Museo Galileo, Florence
Accession / object no.
Inv. 2534
Credit line
Museo Galileo, Florence
Catalogue title (original)
Vertical dial (English)

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Record summary

Held and catalogued by Museo Galileo, Florence (object number Inv. 2534), this is a vertical dial, made in German, Germany, dated c. 1600. The Atlas places it in the Early Modern Horology period (1600 – 1750) of its Instruments collection. Materials and techniques recorded by the source: gilt and silvered brass. Recorded dimensions: base 23x23 mm; total height 98 mm. The record is illustrated with 2 photographs.

Assembled from the source record's structured fields. Dates and attributions are given as the source states them; where a field is missing the Atlas leaves it blank rather than estimating.

Catalogue description

Catalogue description — Museo Galileo

This dial consists of a square-section pillar fitted with a cupola lid that opens to show a small compass. The pillar has a plumb line to check the vertical. Calibrated for latitude 48° (Munich and Vienna), suggesting a German maker. Provenance: Medici collections.

Provenance

Medici collections

Historical context

Early Modern Horology (1600 – 1750)

Huygens' pendulum and balance spring transform accuracy; English makers develop the anchor and deadbeat escapements.

Pocket sundials, Butterfield dials and sandglasses remained essential companions to imperfect clocks; navigators used sandglasses and the log line; observatories began to combine telescopes with pendulum clocks.

Read the period in the timelineMore instruments from this periodEarlier: Renaissance Horology

Atlas type guide

Scientific and navigational instruments

Timekeeping has always been tied to astronomy, navigation and measurement. Observatories used transit instruments to determine the exact moment a star crossed the meridian, and set their regulators by it; navigators combined sextant observations with chronometers to find longitude; surveyors, engineers and physicians used counters, pedometers and timers derived from watch and clock technology.

Instruments in this collection show how time measurement supported science and everyday technical life. Their makers were often the same workshops that produced clocks and watches, and their scales and dials document changing units and standards.

What to look for

  • Engraved scales and verniers; the units used (degrees, hours, decimal divisions).
  • Makers' signatures and town names, often on the main plate or limb.
  • Accessories and fitted cases that indicate the intended use.
  • Inventory or institutional marks from observatories, navies or schools.

Dating clues

  • Vernier scales spread after the seventeenth century; dividing engines after Ramsden (1770s) made fine scales common.
  • Mass-produced instruments with patent numbers belong mostly to the nineteenth and twentieth centuries.

General guidance written by the Atlas editors about this kind of object. It is not a statement about this particular piece; for that, rely on the source record above and on physical examination.

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