1. What is the principle technology behind "ro"?
Write-only memory.

2. Would you say that the main winding would be of the normal lotus-o-delta type when placed in panendermic semi-boloid slots in the stator, with every seventh conductor being connected by a nonreversible tremie pipe to the differential girdlespring on the 'up' end of the grammeters?
The original machine had a base-plate of prefabulated amulite, surmounted by a malleable logarithmic casing in such a way that the two spurving bearings were in a direct line with the pentametric fan.