KALEIDOSCOPE Russian patent published in 1994 - IPC

Abstract RU 2020524 C1

FIELD: optical instrumentation engineering. SUBSTANCE: kaleidoscope has cylindrical body, hollow prism with inner mirror surfaces, chamber with forming members of kaleidoscopic ornament comprised of ring with protective covers of soda-lime glass, inlet and outlet holes. Outlet hole is closed with transparent protective cover. Covers are square in shape. Inlet and outlet holes are located inside body. EFFECT: higher efficiency. 3 dwg

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RU 2 020 524 C1

Authors

Subbotin V.G.

Subbotin I.V.

Subbotina Е.V.

Dates

1994-09-30—Published

1992-01-22—Filed