Oak case for Wedgwood pyrometer
Oak case for Wedgwood pyrometer with various porcelain test pieces.
Wedgwood pyrometer with wooden case, by J.F. Newman, 122 Regent Street, London, 1827-1856.
Oak case for Wedgwood pyrometer with various porcelain test pieces.
Brass Wedgwood pyrometer, taper gauge, by J. Newman, 122 Regent's Street, London, 1827-1856.