Parcel
Scale Pic Counter DC 2 Parcel scale graduated 0 to 7 lb on the main beam and 0 to 16oz on the side beam. iron parcel plate, cast iron base painted black. The description matches Bartlettīs patent |
"A
postal balance, of the table-steelyard type, is provided with two parallel
beams, each having a sliding weight, one for pounds, the other for ounces.
The beam for the ounces projects across the axis, so the weight at zero
acts negatively. A rod extending beneath the parcel plate and fitted with
a screw thread, serves to adjust the balance and can be locked by
pouring lead into the cavity provided"
Patent 1883 27 April No 2146 C. H. Bartlett |