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Geissler tube, 1855.

Geissler tube, 1855.

1855-1876

Official UK copy of the Bonn GSM mobile phone agreement, 1987

Official UK copy of the Bonn GSM mobile phone agreement, 1987

1987

Pamphlets relating to the Kyoto Protocol to the Convention on Climate Change, 1998-1999, and protest material from the Stop Esso campaign, 2001

Pamphlets relating to the Kyoto Protocol to the Convention on Climate Change, 1998-1999, and protest material from the Stop Esso campaign, 2001

1998-2001

Pink celluloid Portio cap

Pink celluloid Portio cap

Clinical centigrade thermometer

Clinical centigrade thermometer

1851-1910

Retort(?), glass, German, by F. Schbaum of Bonn, f

Retort(?), glass, German, by F. Schbaum of Bonn, f

1901-1950

Clinical Fahrenheit thermometer

Clinical Fahrenheit thermometer

1851-1900

Wet bulb thermometer

Wet bulb thermometer

1876

Dry bulb thermometer

Dry bulb thermometer

1876

Official UK copy of the Bonn political declaration between the Ministers of France, Germany, Italy and the UK to support the GSM mobile phone specification in their respective countries and calling for the drawing up of the GSM MoU, signed by Geoffrey Pattie (UK), R Panella (Italy), Marcel Roulet (France) and Christian Schwarz-Schilling (Germany), in Bonn, Germany, 1987

Official UK copy of the Bonn GSM mobile phone agreement, 1987

1987

Model of the Moon, 19 feet in diameter (half hemisphere), made by Thomas Dickert in Bonn and based on the lunar maps by Dr Julius Schmidt. Constructed at the University of Bonn in the mid 1850s, the model was later sold and sent to America before being acquired by the Field Museum in Chicago where it was displayed until the 1980s.

Model of the Moon

1850-1854

Dry and Wet bulb thermometers. On Brass stand, by Geissler, 1876.

Dry and Wet bulb thermometers. On Brass stand

1876

Penis irrigator in form of glass tube with tubulure near closed end, flared mouth, by F.A. Eschbaum, Bonn, Germany, 1901-1940

Penis irrigator in form of glass tube with tubulure near closed end

1901-1940

Wolz oil lamp, for microscopy, made by Kalthoff, German, 1885-1890

Wolz oil lamp

1885-1890

Walferdin's overflow mercury thermometer for recording maximum temperatures made by H. Geissler and Müller, Bonn, Germany, 1840-1898

Walferdin's Maximum Mercury Thermometer, 1840-1898

1840-1898

One of two ordinary mercury-in-glass centigrade thermometers, signed Dr H. Geissler, Bonn, and marked in Cyrillic T.0.O. No.244 [........]. Scale -45 to 47 degrees

Ordinary mercury-in-glass centigrade thermometer

Box containing plaster surface of model of the moon, made by Thomas Dickert in Bonn and based on the lunar maps by Dr Julius Schmidt. Constructed at the University of Bonn in the mid 1850s, the model was later sold and sent to America before being acquired by the Field Museum in Chicago where it was displayed until the 1980s.

Plaster surface of Moon Model

1850-1854

Box containing plaster surface of model of the moon, made by Thomas Dickert in Bonn and based on the lunar maps by Dr Julius Schmidt. Constructed at the University of Bonn in the mid 1850s, the model was later sold and sent to America before being acquired by the Field Museum in Chicago where it was displayed until the 1980s.

Plaster surface of Moon Model

1850-1854

Box containing plaster surface of model of the moon, made by Thomas Dickert in Bonn and based on the lunar maps by Dr Julius Schmidt. Constructed at the University of Bonn in the mid 1850s, the model was later sold and sent to America before being acquired by the Field Museum in Chicago where it was displayed until the 1980s.

Plaster surface of Moon Model

1850-1854

Box containing plaster surface of model of the moon, made by Thomas Dickert in Bonn and based on the lunar maps by Dr Julius Schmidt. Constructed at the University of Bonn in the mid 1850s, the model was later sold and sent to America before being acquired by the Field Museum in Chicago where it was displayed until the 1980s.

Plaster surface of Moon Model

1850-1854

Box containing plaster surface of model of the moon, made by Thomas Dickert in Bonn and based on the lunar maps by Dr Julius Schmidt. Constructed at the University of Bonn in the mid 1850s, the model was later sold and sent to America before being acquired by the Field Museum in Chicago where it was displayed until the 1980s.

Plaster surface of Moon Model

1850-1854

Wooden frame for model of the Moon, 19 feet in diameter (half hemisphere), made by Thomas Dickert in Bonn and based on the lunar maps by Dr Julius Schmidt. Constructed at the University of Bonn in the mid 1850s, the model was later sold and sent to America before being acquired by the Field Museum in Chicago where it was displayed until the 1980s.

Wooden Frame for Model of the Moon

1850-1854

Wooden frame for model of the Moon, 19 feet in diameter (half hemisphere), made by Thomas Dickert in Bonn and based on the lunar maps by Dr Julius Schmidt. Constructed at the University of Bonn in the mid 1850s, the model was later sold and sent to America before being acquired by the Field Museum in Chicago where it was displayed until the 1980s.

Wooden Frame for Model of the Moon

1850-1854

Two ordinary mercury-in-glass centigrade thermometers, signed Dr H. Geissler, Bonn, and marked in Cyrillic T.0.O. No.244 [........]. Scale -45 to 47 degrees

Two ordinary mercury-in-glass centigrade thermometers

Folder and handwritten appendices from official UK copy of the Bonn political declaration between the Ministers of France, Germany, Italy and the UK to support the GSM mobile phone specification in their respective countries and calling for the drawing up of the GSM MoU, signed by Geoffrey Pattie (UK), R Panella (Italy), Marcel Roulet (France) and Christian Schwarz-Schilling (Germany), in Bonn, Germany, 1987

Folder and handwritten appendices from official UK copy of the Bonn GSM mobile phone agreement, 1987

1987

Box containing plaster surface of model of the moon, made by Thomas Dickert in Bonn and based on the lunar maps by Dr Julius Schmidt. Constructed at the University of Bonn in the mid 1850s, the model was later sold and sent to America before being acquired by the Field Museum in Chicago where it was displayed until the 1980s.

Plaster surface of Moon Model

1850-1854

Box containing plaster surface of model of the moon, made by Thomas Dickert in Bonn and based on the lunar maps by Dr Julius Schmidt. Constructed at the University of Bonn in the mid 1850s, the model was later sold and sent to America before being acquired by the Field Museum in Chicago where it was displayed until the 1980s.

Plaster surface of Moon Model

1850-1854

Box containing plaster surface of model of the moon, made by Thomas Dickert in Bonn and based on the lunar maps by Dr Julius Schmidt. Constructed at the University of Bonn in the mid 1850s, the model was later sold and sent to America before being acquired by the Field Museum in Chicago where it was displayed until the 1980s.

Plaster surface of Moon Model

1850-1854

Box containing plaster surface of model of the moon, made by Thomas Dickert in Bonn and based on the lunar maps by Dr Julius Schmidt. Constructed at the University of Bonn in the mid 1850s, the model was later sold and sent to America before being acquired by the Field Museum in Chicago where it was displayed until the 1980s.

Plaster surface of Moon Model

1850-1854

Wooden frame for model of the Moon, 19 feet in diameter (half hemisphere), made by Thomas Dickert in Bonn and based on the lunar maps by Dr Julius Schmidt. Constructed at the University of Bonn in the mid 1850s, the model was later sold and sent to America before being acquired by the Field Museum in Chicago where it was displayed until the 1980s.

Wooden Frame for Model of the Moon

1850-1854

Box containing plaster surface of model of the moon, made by Thomas Dickert in Bonn and based on the lunar maps by Dr Julius Schmidt. Constructed at the University of Bonn in the mid 1850s, the model was later sold and sent to America before being acquired by the Field Museum in Chicago where it was displayed until the 1980s.

Plaster surface of Moon Model

1850-1854

Enamelled iron funnel

Enamelled iron funnel

1914-1918

Clear glass burette, made by C. Gerhardt, Bonn, German, 1890-1930

Clear glass burette made by C. Gerhardt

1890-1930

One of two ordinary mercury-in-glass centigrade thermometers, signed Dr H. Geissler, Bonn, and marked in Cyrillic T.0.O. No.244 [........]. Scale -45 to 47 degrees

Ordinary mercury-in-glass centigrade thermometer