ON OFFER I HAVE A VINTAGE PHILLIPS PROJECTOR BULB A1/9 TYP 6153C / 05 - 110v 750w P28.  I BELIEVE THIS TO BE UNSOLD STOCK FROM MY LATE FATHER'S PHOTOGRAPHY BUSINESS.  IT HAS BEEN STORED IN HIS HOUSE FOR AT LEAST THE LAST FORTY YEARS.  THE BOX IS TATTY.  PLEASE ASK ANY QUESTIONS.