Reflecting circle, known as Borda circle, made by Francois-Antoine Jecker
made in Paris

© National Museums Scotland

000-180-000-901-C

Box (detail), for reflecting circle
probably made in Paris

© National Museums Scotland

000-180-001-171-C

Box (detail), for reflecting circle
probably made in Paris

© National Museums Scotland

000-180-001-172-C

Reflecting circle, probably made by Etienne Lenoir
probably made in Paris

© National Museums Scotland

000-180-000-899-C