Artifact Details Title ZX81 kit Catalog Number 102647070 Type Physical object Description Object is a parts kit for assembly of a ZX81, lacking any ICs but including: case, circuit board, six small plastic bags of parts, 16K Ram expansion module in original packaging. Date 1981 Manufacturer Sinclair Place Manufactured England Identifying Numbers Model number M331 Expansion module Model number ZX81 USA Computer case Serial number P033968M Expansion module Dimensions overall: 4 x 11.5 x 10 in Category Digital computer/personal computer/desktop Credit Gift of Stephen M. Cabrinety Lot Number X3958.2007