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ballast |
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ballast Additional weight of material incorporated in a part of a contact lens to maintain it in a given orientation (Fig. B1). This is often provided by giving prismatic power to the lens (prism ballast lens). ) Fig. B1 Truncated and prism-ballasted toric contact lens How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| Get a box of ten ballasts for this lamp with NSN 6250-00-299-2884. Lighting audits will require an accurate lamp count for the asset, the type of lamps and ballasts employed, specific hours of operations for the building and the current cost of electricity in Kilowatt Hours. 4 million to end an inventor's lawsuit over electronic ballasts used in fluorescent lamps. |
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