Artifact Details Title Pulse Amplifier 4606 B System Building Block Catalog Number 102692532 Type Physical object Description There is a green "QC Approved" sticker on the frame next to the serial number that has the handwritten date: "5-3-63". There is a red dymo label on the frame that reads "MODEL 4606 3/12/63". Date 1965 ca. Manufacturer Digital Equipment Corporation (DEC) Identifying Numbers Model number 4606 B Other number 4606 3/12/63 On red die-mold label. Other number 5-3-63 Handwritten on green label Part number 4606 Serial number 0095335 Dimensions overall: 1/2 in x 7 in x 4 1/2 in Category Component/module