Fusetron FNM 2 Dual Element Cartridge Fuses
Bussmann Mfg. Co.
||On box (IBM)
overall: 1/2 in x 1/2 in x 1 1/2 in
Four fuses in IBM miniature vacuum tube carton. 322784 appears to be an IBM part number, handwritten on box. Each fuse consists of a brass tube with blue and white label around the middle.
Gift of Greydon C. Freeman