A pair of copper parabolic reflectors; an iron and brass waywiser; another waywiser; and a brass heliochronometer by Pilkington & Gibbs (the lower quadrant damaged) (4)

Details
A pair of copper parabolic reflectors; an iron and brass waywiser; another waywiser; and a brass heliochronometer by Pilkington & Gibbs (the lower quadrant damaged) (4)

More from Scientific Instruments and Collectables

View All
View All