A fine late 18th-century silver Butterfield-pattern compass sundial, , A fine late 18th-century silver Butterfield-pattern compass sundial,

A fine late 18th-century silver Butterfield-pattern compass sundial,

Details

A fine late 18th-century silver Butterfield-pattern compass sundial,
signed on the upper side of the horixontal plate Butterfield AParis, with scales of hours 4-12, 1-8 for latitudes 43°, 46°, 49° and 52°, the folding gnomon with bird-shaped index and graduations 40-60°, the glazed compass with blued-iron needle with brass cap and 16 compass points marked, the underside with the latitudes of 27 continental towns and cities in minutes and degrees (see below), the Premier Cadran engraved on the underside of the compass box, contained in the original octagonal green plush-lined leather-covered case, with silver hinge (two nails missing), catch and two hooks and eyes (some leather loss) -- 3in. (7.6cm.) wide

See Colour Illustrations

Lot Essay

TABLE OF LATITUDES
Premier Cadran
Copenhague 55.41
Hambourg 53.43
Bruxelles 50.48
Varsouine 52.14
Calais 50.57
Lisle 50.33
Londres 51.32
2
Paris 48.51
Basle 47.42
Brest 48.23
Strasbourg 48.42
Vienne 48.22
Saint Malo 48.36
Rouen 49.27
3
Bordeaux 44.50
Nantes 47.13
Tours 47.13
Dijon 47.20
Lyon 45.46
Grenoble 45.13
La Rochelle 46.11
4
Bayonne 43.30
Marseille 43.20
Montpellier 43.37
Perpignon 42.44
Pignerol 42.4
Rome 41.51