"Report of the managers of the Franklin Institute, of the state of Pennsylvania, for the promotion of the mechanic arts, in relation to weights and measures : presented in compliance with a resolution of the House of Representatives of the state of Pennsylvania"@en . . . . "Report of the managers of the Franklin Institute, of the state of Pennsylvania, for the promotion of the mechanic arts, in relation to weights and measures presented in compliance with a resolution of the House of Representatives of the state of Pennsylvania"@en . . . . . . . . "Report of the managers of the Franklin Institute, of the state of Pennsylvania, for the promotion of the mechanic arts, in relation to weights and measures presented in compliance with a resolution of the House of Representatives of the state of Pennsylvania" . . . "Electronic books"@en . . . . . . . .