Dear Jane,
        'This Old house' (BPS) did a program from Sweden some time ago.
They visited a house with a three story retro fit elevator.
        It used a screw mechanism insted of counter weights. The system was a
profesional off the shelf product that met all building codes.
        Though not cheap it was less than 50k.
        Here in the states I have seen hydraulic wheel chair lifts with
emergancy back up power supplies that provide one floor lift capacity.
        I don't know who makes them, but a search of of lift manufactures
should turn them up.
        I suppose the question is are they demaning an 'Elevator' or making the
aria handycaped accessable. For even a properly built ramp meets that
code requirement.

                        Yours
                          Tw

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