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» SOLAR CLOCKS

» GENERAL INFORMATION

The Gnomon ▻ indicator

Sun Clock Basics

» GENERAL INFORMATION

ObeliskHoheward - Herten, Germany

Solar Clock Tower

Bingen, Germany

Equatorial SundialFrankfurt, Germany

Different Sundial Types in Germany

» „READING“ THE SUN

» NUREMBERG‘S HISTORY

17th century – Pocket Sundial

▻ Used even after the invention of regular pocket watches

▻ Often included a compass

Specialities

Important manufacturers:

▻ David Beringer

▻ Hans Friessfeldt ▻ Georg Hartmann

▻ The Pilgrams

▻ Johannes Stabio

» NUREMBERG‘S HISTORYDavid Beringer‘s former shop

Jakobsstraße, Nuremberg

» NUREMBERG‘S HISTORYNuremberg‘s hours

Goal: keeping traditions alive

▻ No ‚constant‘ time

▻ Hours per day & hours per night

St. Lorenz, Nuremberg

❝the small clock and the great clock❞

» NUREMBERG‘S HISTORY

▻ 1431/34 Reinhard Gensfelder

▻ 1509 Conrad Tockler

▻ 1528 Georg Hartmann

▻ 1556 Johann Conrad Ulmer

▻ 1562 Andreas Schöner

▻ 1597 Levinus Hulsius

▻ 1607-1611 Franz Ritter

▻ 1615 & 1626 Caspar Uttenhofer

▻ 1653 Georg Philipp Harsdörfer

▻ 1660 Christoph Zwicker

▻ 1672 & 1681 Johann Christoph Sturm

▻ 1708 & 1712 Johann Gabriel Doppelmayr

▻ 1710 Leonhard Christoph Sturm

▻ 1726 Johann Jacob Schübler

▻ 1797 Johann Konrad Gütle

Literature regarding Gnomonik

» SOLAR CLOCKS IN NUREMBERG

» CEMETERY ST. JOHANNIS

• was created in the 10th century

• famous for its historic and beautiful designed grave stones

• the solar clock is placed on a chapel in the east of the cemetery

• from the 16th century, renovated in 1980

• semi-circular clock with Roman numerals

» HESPERIDES

• beautiful park• solar clock on the ground

with boxtrees• pole through stone ball

which is focused on the celestial north pole and shows to the North Star.

ensures that it is exactly parallel to Earth's axis.

• shows all year round the correct time

» ALTE KÜCH‘N

• guest house, was completely destroyed during the second world war, rebuilt in the 50s

• east - solar clock from the 16th century

• time is only shown until 11 o‘clock in the morning, afterwards the clock is located in the shadow

» FEMBOHOUSE

• earlier the house of a publisher for maps, now museum for the history of the city

• solar clock was created at the beginning of the 17th century

• next to the time you can also read out the date on this clock

» INNERE LAUFER GASSE 11

• private house with semi-circular south-clock from 1569, restored in 1979

» WUNDERBURGGASSE 20

• private house, created in the 1950‘s

• one of few examples for solar-clocks from the 20th century in nuremberg

» FRAUENKIRCHE(Church of Our Lady)

• church is on the main market, was sponsored by Charles IV in 1355

• church was destroyed because of american bombardment in 1945, in 1955 the rebuilt was made.

• solar clock at the south side, with pole and rectangularly arranged numerals

» ACADEMY NUREMBERG

• example of a modern solar clock

• it‘s a so called „polar south clock“ with meridian line and date indication from 2001

• in front of the building a lot of trees have been planted clock will be in the shadow in a few years

Thank you for your

attention!Laura & MarissaLaura & Marissa

» SOURCES• http://www.helios-sonnenuhren.de• http://www.naa.net• http://members.aon.at/sundials• Gudrun Wolfschmidt - Astronomie in Nürnberg• Karl-Heinz Lotze, Werner B. Schneider - Wege in der Physikdidaktik Band 5:

Naturphänomene und Astronomie• Alice Kaltenberger - EINE MIT 1570 DATIERTE TASCHENSONNENUHR VON DER

RUINE WILDENSTEIN BEI BAD ISCHL, OÖ.