细节
A Lorimer's patent drawing apparatus,
with glazed frame, spare perforated transparent mediums in envelope, and instruction label, in mahogany case 12¼in. (31.1cm.) wide; a polar planimeter engraved E.L. MEAD in case; a pair of folding pillar-type pocket compasses in case; and a pair of Swiss-pattern beam-heads in case (4)
with glazed frame, spare perforated transparent mediums in envelope, and instruction label, in mahogany case 12¼in. (31.1cm.) wide; a polar planimeter engraved E.L. MEAD in case; a pair of folding pillar-type pocket compasses in case; and a pair of Swiss-pattern beam-heads in case (4)