Artifact Details Title Philco Electronic 78 Diode-Triggered Flip-Flop teaching panel Catalog Number 102673369 Type Physical object Description Object is a yellow panel that has "Diode-Triggered Flip-Flop" printed in black at the top of the board. Bottom right corner has "78" printed in black. Small pencil markings on front of panel. Manufacturer Philco Identifying Numbers Other number 78 Embossed on back upper left corner. Dimensions overall: 1 1/4 in x 20 in x 15 in Category Miscellaneous/other Credit Gift of Pearl S. Jackson Lot Number X3042.2005 Related Records 102673364 Philco Electronic Teaching Panel spare parts