BUTLER &lt;BTLR> TO PURCHASE NATURALITE
  Butler Manufacturing Co said it
  signed a letter of intent to purchase &lt;Naturalite Inc>, a
  designer of skylights.
      Terms were not disclosed.
      Naturalite had sales of about 20 mln dlrs in 1986. The
  transaction is expected to be completed in May and subject to
  both boards' approvals.
  

