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Tuesday, May 17 • 10:30am - 11:00am
(Objects) Looking at Guilloche Work in Conservation

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Guilloche, also referred to as engine turning, is work produced on a rose engine or straight-line engine. The rose engine was developed in the 16th century, but found wide scale popularity in the early 19th century when Breguet applied the craft to augment his watch dials, cases, and movements. Many believe it reached its apex with Fabergé. Developing a conservation methodology for Guilloche work appears to be a relatively new subject and understanding the processes by which an object was made or decorated may be the first stage in development. Little information is widely available on the enigmatic rose engine and even less is available on the process by which its patterns are created. We will briefly explore the history of these machines and their various uses through examining the steps required for accomplishing distinct patterns and looking at some of the diverse objects that employ them. The reflective quality of Guilloche work along with the effects of oxidation on this property will be examined. Through this we will identify various pitfalls in the practice of cleaning and repair. The rose engine was employed not only in horology to decorate metal objects of art, but also in other media such as pottery by Josiah Wedgwood and modern plastic injection molding patterns. As these machines were used from the early 16th century through the present, many conservators are likely to encounter objects that were either made or decorated by them. This session will seek to aid in the development of a conservation methodology for treating and working with engine made or decorated objects.

Speakers
avatar for Brittany Nicole Cox, [PA]

Brittany Nicole Cox, [PA]

Memoria Technica, West Dean College
I specialize in the conservation of automata, mechanical music, and complicated musical automata clocks and watches.
avatar for David Lindow

David Lindow

Clockmaker, David Lindow Clockmaker
David Lindow moved to Pennsylvania in 1988 to study theology. After two years of college master clockmaker Gerhard Hartwigs asked him to help in the shop for the summer after which he apprenticed to Mr. Hartwigs for 5 years learning not only the manufacture of period style clocks... Read More →


Tuesday May 17, 2016 10:30am - 11:00am
Room 710 B


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