[Hallicrafters] Conversion of HT33A to HT 33B

[John King]

Does anyone have access to the instructions for putting 6 VR tubes in the HT 33A just as the HT 33B has.

While I am cleaning and refurbishing my HT 33A I would like to add the two additional VR tubes but would like to have the recommended Hallicrafters procedure for upgrading the HT 33A to the HT 33B.

Thanks for your assistance and recommendations, 73, John, K5PGW