TY - ART DB - Science History Institute DP - Science History Institute M2 - Courtesy of Science History Institute. Rights: Creative Commons Attribution 4.0 International License TI - Kenner's Girder & Panel Hydro-Dynamic Building Set No. 11 ID - 9k41zd50j AU - Science History Institute DA - 2017/// YR - 2017 M3 - photograph UR - https://digital.sciencehistory.org/works/9k41zd50j KW - Educational toys--Design and construction LA - English ER -