Creating a State Debt not to exceed $750,000, with a matching fund requirement, as a grant to the Board of Directors of the West Arlington Improvement Association of Baltimore City, Inc. for the rehabilitation and capital equipping of the historic water tower in the West Arlington neighborhood of Baltimore City for use as a planetarium and for the construction of a multipurpose center at the same site; and requiring the grantee to grant and convey to the Maryland Historical Trust a certain kind of easement.