Psychrometer by John Braham, Bristol, 1828-1838

1828-1838

Proportional compasses: 6-inch

1828-1838

Spectacle frame

1828-1838

Light 'improved' pantoscopic spectacles with one piece side-arms

1828-1838

'Improved' pantoscopic spectacles

1828-1838

Pantoscopic spectacles with single piece side-arms

1828-1838

Gould microscope by John Braham of Bristol

1801-1830

Gold turnpin bent 'preserver' spectacles

1828-1838

Silver 'preserver' spectacles with two sets of D-shaped green lenses and turnpin sides. Made by John Braham

1828-1838

Gold 'pantoscopic' spectacles by John Braham of Bristol

1828-1838

'Helical' spring folding eyeglasses with oval lenses

1828-1838

Straight Elkington pantoscopic(?) spectacles, horn

1828-1838