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DUAL TIMING BELT PULLEY 15MM/10MM DIAMETER	HELICAL GEAR 20.2 MM DIAMETER WITH 18 TEETH & ONE WAY CLUTCH	LARGE DOUBLE CONVEX LENS, 7" DIA, 13" FOCAL LENGTH
CEMENTED DOUBLET- 63 MM DIA, 140MM FL, CTD, NOT ACH	MTD MULTI ELEMENT LENS ASSEMBLY	FRONT SURFACE MIRROR 35MM DIAMETER
GRAVITATIONAL LENS IN ABELL 370 PRINT, 13.3" X 11"	BARRED SPIRAL GALAXY (NGC 6217) PRINT, 11" X 13.75"	CEMENTED ACHROMAT- 42 MM DIA, 136MM FL, CTD
CEMENTED ACHROMAT 22.5 MM DIA, 50MM FL	PRECISION FLAT CYAN FILTER 42 MM DIAMETER	RIGHT ANGLE PRISM 14.6 MM X 20MM X 14.6MM
TINY RIGHT ANGLE PRISM 5MM X 7MM X 5MM	AMICI ROOF PRISM 17MM FACE, 25MM LONG	RIGHT ANGLE PRISM 9.7MM X 13MM X 9.7MM
LARGE 3.6" LONG (91MM) 90 DEGREE RA PRISM W/REFLECTIVE COATING ON HYPOTENEUSE