Accession Number AVA12421-VM00
Title Pitch Buttoning and Blocking - Spherical Lenses.
Publication Date 1994
Media Count 1AV-Beta 2 - 1 cassette
Personal Author N/A
Abstract Demonstrates blocking convex lenses, blocking with pagoda tool, the use of ring button, buttoning and blocking with pitch points, and pitch buttoning and blocking very small lenses.
Keywords Blocking
Pitch buttoning
Video tapes
Please call 1-800-553-6847 or 703-605-6000 to order (NTIS Order Number AVA12421-VM00).
Source Agency Department of Education - Audiovisual
NTIS Subject Category 46C - Optics & Lasers
Corporate Author Office of Education, Washington, DC.
Document Type Audiovisual
Title Note N/A
NTIS Issue Number 0004
Contract Number N/A

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