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When	What	Comment
January 3, 2026	ETHER-TECHNOLOGY A rational approach to gravity-control. by Rho Sigma.	Added 1977 Rho Sigma edition of ETHER-TECHNOLOGY A rational approach to gravity-control. by Rho Sigma..
January 3, 2026	ETHER-TECHNOLOGY A rational approach to gravity-control. by Rho Sigma.	Added 1977 Rho Sigma edition of ETHER-TECHNOLOGY A rational approach to gravity-control. by Rho Sigma..