Keywords: Steel bending U.S. Bureau of Standards.jpg Photograph en Steel bending Washington D C Sept 23 Photo shows the welded steel knees in the 600 000 lb testing machine at the U S Bureau of Standards today as it buckled under 153 600 lb maximum load This rigid steel frame knee was designed to withstand 60 000 lbs 9/23/37 Harris Ewing photographer 1937 September 23 1 negative glass 4 x 5 in or smaller LOC-image hec 23412 accession number LC-DIG-hec-23412 digital file from original negative Call Number LC-H22- D-2405 P P Rights Advisory No known restrictions on publication Title from unverified caption data received with the Harris Ewing Collection Gift; Harris Ewing Inc 1955 General information about the Harris Ewing Collection is available at http //hdl loc gov/loc pnp/pp hec Temp note Batch five steel bending us bureau of standards tif yes PD-Harris-Ewing National Bureau of Standards 1937 in Washington D C |