Edwin Harrington, Son & Co.
Illustrated catalog given to Lamar Lyndon ca.1890.  The firm was located at North Fifteenth Street & Pennsylvania Avenue, Philadelphia, Pennsylvania.
Webpage copyright © George Langford 2010
 Machine Tools, ca. 1890 illustrated catalog
WALL CRANE
Edwin Harrington, Wall Crane, page 140
 RADIAL ARM, CIRCULAR TRACK, TRAVELLING, GEARED WINCH
Edwin Harrington, Radial Arm, Circular Track, Travelling, Geared Winch, page 141
For prices give capacity, length of arm, height from floor to highest point at which rod hinge can be placed, and height to which load is to be raised.
Fig. 1 moves radial arm on circular track.
Fig. 2 raises load from floor.
Fig. 3 raises load on radial arm.

For price, give capacity, radius of circle, lowest point of obstruction to be cleared, height load is to be raised, and height of room.