Cast iron adjustable desk /table legs Maker is  The Cleveland School Furniture Co.   These  measure 19" at feet  ,top mounting area is 14" and are adjustable from 19" to  27" in height.    I believe they read  ORINDA  X  ( tough to make out first letter )  Not you average desk legs, large in size.  These legs have no breaks or repairs . Ready for your next repurpose project .