Photosynthetic apparatus

Claim 1

APPARATUS FOR FACILITATING THE GROWTH OF A CULTURE OF PHOTOSYNTHETIC MICROORGANISMS COMPRISING: A DISC, MEANS FOR ROTATING SAID DISC ATTACHED THERETO, A TRANSPARENT MEMBER SUBSTANTIALLY PARALLED AND ADJACENT TO BUT SPACED FROM SAID DISC, SAID SPACING BEING FROM 1 TO 5 MM., CULTURE COLLECTING MEANS DISPOSED ABOUT THE PERIPHERY OF AND ESTABLISHING A FLUID AND ATMOSPHERE-TIGHT CONNECTION BETWEEN SAID DISC AND TRANSPARENT MEMBER, A SOURCE OF ELECTROMAGNETIC RADIATION POSITIONED TO RADIATE THROUGH SAID TRANSPARENT MEMBER INTO THE SPACE BETWEEN SAID DISC AND SAID TRANSPARENT MEMBER, CULTURE DEPOSITING MEANS IN FLUID AND ATMOSPHERE-TIGHT COMMUNICATION WITH SAID DISC AND TRANSPARENT MEMBER, CULTURE TRANSPORTING MEANS ESTABLISHING FLUID AND ATMOSPHERE-TIGHT COMMUNICATION BETWEEN SAID CULTURE COLLECTING AND DEPOSITING MEANS, A GAS EXCHANGER HAVING FIRST AND SECOND COMPARTMENTS WITH A SEMI-PERMEABLE MEMBRANE THEREBETWEEN, SAID CULTURE TRANSPORTING MEANS BEING IN FLUID COMMUNICATION WITH AND PASSING THROUGH SAID FIRST COMPARTMENT, OXYGEN OUTPUT MEANS AND CARBON DIOXIDE INPUT MEANS IN SAID SECOND COMPARTMENT, MEANS FOR REMOVING CULTURE FROM SAID CULTURE TRANSPORTING MEANS, AND MEANS FOR ADDING NUTRIENTS TO SAID CULTURE TRANSPORTING MEANS.