Weights from the Castlereagh Collection for Smyrna (Turkey). Set of 9 tapering square bronze weights with handles for the Turkish Oke (Oka). Weights and original correspondence from the Castlereagh Collection for Smyrna (Turkey) 1800-1818
Weights from the Castlereagh Collection for Bordeaux (France). Boxed set of 6 small flat brass weights of the metric system for gold and silver. Weights from the Castlereagh Collection for Bordeaux 1800-1818
Weights from the Castlereagh Collection for Rotterdam (Netherlands). Set of 10 brass nested cup weights in decorated hinged case for eight Dutch Marks. Weights from the Castlereagh Collection for Rotterdam 1800-1820
Weights from the Castlereagh Collection for Cadiz (Spain). Set of 8 nested brass cup weights for the Mark of Avila used for weighing gold and silver. Weights from the Castlereagh Collection for Cadiz 1800-1818
Weights from the Castlereagh collection for Leghorn (Italy). Rectangular brass pound weight for gold & silver. Weights from the Castlereagh collection for Leghorn 1800-1818
Weights from the Castlereagh Collection for New York (USA). Boxed set of 14 cylindrical brass Troy weights, consisting of two sets respectively ounces and pennyweights. Weights from the Castlereagh Collection for New York (USA). Boxed set of 14 cylindrical brass Troy weights 1800-1820
Weights from the Castlereagh Collection for Madeira (Portugal). Set of 9 brass nested cup weights for a pound of 16 oncas in a wooden box. Weights from the Castlereagh Collection for Madeira 1800-1818
Weights from the Castlereagh Collection for St Petersburg (Russia). Set of 8 cylindrical knobbed brass weights in fitted wooden block with 7 flat brass grain weights. Weights from the Castlereagh Collection for St Petersburg 1800-1818
Weights from the Castlereagh Collection for Boston (USA). Boxed set of 6 cylindrical brass weights for the Troy and Avoirdupois system in a leather bound lockable case. Weights from the Castlereagh Collection for Boston 1800-1818
Weights from the Castlereagh Collection for Civita Vecchia (Italy). Boxed set of 14 brass cylindrical knobbed weights with 7 flat brass grain weights for the Roman pound of 12 ounces. Weights from the Castlereagh Collection for Civita Vecchia 1800-1818
Weights from the Castlereagh Collection for Genoa (Italy). Set of 9 brass nested cup weights for gold and silver for a pound of 12 ounces called Peso Sottile. Weights from the Castlereagh Collection for Genoa 1800-1818