By Matt Grayson; posted August 3, 2020 View Original: Click to zoom, then click to magnify (4868 x 1000) 1122KB
Here is a selection of some very small cables. On the far right is a U-447 O-B for reference.
Left to right: U-608B sim.,U-606A, U-605, U-605sim, U-606. All are unmarked.