Dimension measuring and comparing arrangement

Claim 1

A DIMENSION MEASURING ARRANGEMENT FOR MEASURING A SELECTED LINEAR DIMENSION OF AN OBJECT COMPRISING, IN COMBINATION, TELEVISION CAMERA MEANS POSITIONED IN OPERATIVE PROXIMITY OF SAID OBJECT AND ADAPTED TO PRODUCE A CAMERA OUTPUT SIGNAL; TELEVISION MONITOR MEANS HAVING A VIEWING SCREEN AND BEING CONNECTED TO SAID CAMERA MEANS WITH THE CAMERA OUTPUT SIGNAL OF SAID CAMERA MEANS SUPPLIED TO SAID MONITOR MEANS TO PROVIDE ON THE VIEWING SCREEN OF SAID MONITOR MEANS THE IMAGE OF AN OBJECT SEEN BY SAID CAMERA MEANS; OPTICAL DIRECTING MEANS FOR DIRECTING INTO SAID CAMERA MEANS A FIRST IMAGE OF SAID OBJECT TO PROVIDE A FIRST IMAGE OF SAID OBJECT ON THE VIEWING SCREEN OF SAID MONITOR MEANS, SAID OPTICAL DIRECTING MEANS BEING ADAPTED TO BE ROTATED TO DIRECT INTO SAID CAMERA MEANS A SECOND IMAGE OF SAID OBJECT THEREBY PROVIDING A SECOND IMAGE OF SAID OBJECT ON THE VIEWING SCREEN OF SAID MONITOR MEANS IN A PREDETERMINED RELATION TO SAID FIRST IMAGE; MOVING MEANS COUPLED TO SAID OPTICAL DIRECTING MEANS FOR ROTATING SAID OPTICAL DIRECTING MEANS TO PROVIDE SAID SECOND IMAGE OF SAID OBJECT ON THE VIEWING SCREEN OF SAID MONITOR MEANS; AND ROTATION INDICATING MEANS COUPLED TO SAID MOVING MEANS FOR INDICATING THE AMOUNT OF ROTATION OF SAID OPTICAL DIRECTING MEANS BETWEEN THE POSITIONING OF SAID FIRST IMAGE AND THE POSITIONING OF THE SECOND IMAGE OF SAID OBJECT IN SAID PREDETERMINED POSITION IN RELATION TO SAID FIRST IMAGE ON THE VIEWING SCREEN OF SAID MONITOR MEANS, SAID AMOUNT OF ROTATION OF SAID OPTICAL DIRECTING MEANS CORRESPONDING TO THE LENGTH OF THE SELECTED LINEAR DIMENSION OF SAID OBJECT.