Year | Krischker Boss Type | Ref. | Tubeset |
3G7 | K1 | CK1, CF7, CL4 | |
3W7 | K2 | AK2, AF7, AL1, AZ1 | |
3W8 | K3 | EK2, EF6, EL3, AZ1 | |
3WA | K4 | AK1, RENS1254, RES964, RGN1064 | |
3WL | K5 | E438, E438, B405, 1801 | |
4W7 | K6 | AK2, AF3, AF7, AL4, AZ1 | |
4WL | K7 | E442, E438, E438, B405, 1801 |