Nixie Clock IN-17 Assembly Instructions And User's Manual page 33

12.1. For each tube cut wires until ~15-20 mm length. Remove a plastic holder. By using long nose
pliers, smooth out an each tube wire.
12.3. One by one begin to install tubes into the PCB relevant placement holes. Lead marked by white
bar is anode. You must insert it into the hole of placement marked by [N1 ... N6].
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