[Change in the design of the barrel for taking 6 post shots instead of 4 (apropos of L. A. Gorskiĭ's suggestion, "The Taking of 6 Serial Spot Shots on an 18/24-cm Film")].
D011859:Radiography / Q000295:instrumentation*
Izmenenie konstruktsii tubusa dlia proizvodstva 6 pritsel'nykh snimkov vmesto 4 (po povodu predlozheniia L. A. Gorskogo "Proizvodstvo 6 seriĭnykh pritsel'nykh snimkov na plenke razmerom 18x24 cm").