TO R. E. KLASSON.
Copied by telegraph for Klasson telegram
April 19, 1921
In addition to the data reported by Klasson on the work
of the Madruk factory, it is desirable to receive answers to the following
questions: 1) are the water extraction operations carried out continuously
or periodically; 2) the method of extraction, i.e. whether
Filter presses or special presses are used; 3) the systems and principles
of operation of that intermediate machine which is necessary for
Hydropeat for joint operation with the Madruk factory; 4) how many
units and what type of units provide the productivity of the Madruk Factory, which is noted in the proposal.
Krzhizhanovsky.
Please reply immediately and no later than 21.IV. [327]
Lenin.