A dip needle in brass case; a Cary pocket sextant; a pair of proportional dividers in case; an Amsler pattern plaimeter by J.H.Weil & Co. in case; another by Keuffel & Esser; a military pattern beam compass in case; another similar; and a black enamelled brass surveying level in mahogany case - 11½in.wide

细节
A dip needle in brass case; a Cary pocket sextant; a pair of proportional dividers in case; an Amsler pattern plaimeter by J.H.Weil & Co. in case; another by Keuffel & Esser; a military pattern beam compass in case; another similar; and a black enamelled brass surveying level in mahogany case - 11½in.wide