Artifact Details Title Package of 8 diodes Catalog Number 102757067 Type Physical Object Description The object consists of 8 small diodes in a plain manilla envelope. The numbers recorded are written on each of the 8 diodes which are also marked with "-S-." Written on the envelope is, "approx 22V 4 layer diodes." Identifying Numbers Other number 253 On the body of the diode. Other number 4EX On the body of the diode. Dimensions overall: 1/8 in x 2 1/4 in x 3 1/2 in Category Component/diode Credit Gift of Laura Peterhans Lot Number X7842.2016