拍品 121
121
A Porter's-type floating card sundial, signed on the paper card C. ESSEX London Entered at Stationers Hall, wih gnomon, domed glass cover, in fitted turned ebony case - 2½.in.(6.4cm)wide; and a compass pillar dial, the white enamelled dial with blued needle and cap, on moulded composition six sided column with thermometer scale with mercury tube - 4¾in.(12.2cm)high (2)

細節
A Porter's-type floating card sundial, signed on the paper card C. ESSEX London Entered at Stationers Hall, wih gnomon, domed glass cover, in fitted turned ebony case - 2½.in.(6.4cm)wide; and a compass pillar dial, the white enamelled dial with blued needle and cap, on moulded composition six sided column with thermometer scale with mercury tube - 4¾in.(12.2cm)high (2)