The Physical Time Capsule is a free-standing glass cabinet, of dimensions, 90 cm (wide), 40 cm (deep) and 180 cm (height), with five shelves. It is housed in the Terzaghi Archive in the premises of the Technical University of Vienna (Austria).
The items in the cabinet have been divided into four groups, as shown in the list below. Please click on the button corresponding to the code of each item for a detailed description.
| HTC-201 | Lego scale model of the counterfort walls | View Item |
| HTC-202 | Samples of the first Polymer geogrids | View Item |
| HTC-203 | Mechanical borehole surveying clock | View Item |
| HTC-204 | Seismometer | View Item |
| HTC-205 | Seismic Cone Penetration Device with pore water pressure measurements | View Item |
| HTC-206 | Pressuremeter probe Menard (small size model) | View Item |
| HTC-207 | Tube à manchettes, a section of injection tube | View Item |
| HTC-208 | A section of reinforcement strip used as inclusion | View Item |
| HTC-209 | Part of removable extensometer | View Item |
| HTC-210 | A model T-bar, developed through physical modelling | View Item |
| HTC-211 | SPT Spoon | View Item |
| HTC-212 | Vials of soil samples | View Item |
| HTC-213 | Marchetti flat dilatometer blade | View Item |
| HTC-214 | Casagrande cup | View Item |
| HTC-215 | A pocket penetrometer | View Item |
| HTC-301 | ERDBAUMECHANIK auf bodenmechanischer Grundlage, K.Terzaghi | View Item |
| HTC-302 | Theoretical Soil Mechanics, K.Terzaghi | View Item |
| HTC-303 | Soil Mechanics in Engineering Practice, K.Terzaghi & R.B.Peck | View Item |
| HTC-304 | Fundamentals of Soil Mechanics, D. W. Taylor | View Item |
| HTC-305 | Geotechnical Engineering in Italy | View Item |
| HTC-306 | Soil Behaviour in Earthquake Geotechnics, K.Ishihara | View Item |
| HTC-307 | Terzaghi: The Engineer as an Artist, R.Goodman | View Item |
| HTC-308 | Offshore Geotechnical Engineering, M. Randolph & S. Gourvenec | View Item |
| HTC-309 | Tables for Lateral Earth Pressure, Bearing Capacity, and Ultimate Bearing Resistance of Foundations, A. Caquot and J. Kerisel | View Item |
| HTC-310 | Foundation engineering for difficult subsoil conditions, L. Zeevaert | View Item |
| HTC-311 | El siglo de la mecánica de suelos, ed. SMIG (The century of soil mechanics) | View Item |
| HTC-313 | The measurement of soil properties in the triaxial test, A.W. Bishop and D.J. Henkel | View Item |
| HTC-401 | Papers of all past presidents and key persons | View Item |
| HTC-402 | Collection of 6 Rankine lectures and 2 key papers | View Item |
| HTC-403 | Essay on the Application of the Rules of Maxima and Minima to Certain Problems of Statics Related to Architecture, C. A. Coulomb | View Item |
| HTC-404 | The Pressuremeter: Rules for the Use of Pressuremeter Techniques and Interpretation of Results for Foundation Design | View Item |
| HTC-405 | Copy of ISSMGE Bulletin 75-year anniversary edition | View Item |
| HTC-406 | Heritage Time Capsule – Report to the Council Meeting 2026 | View Item |
| HTC-407 | Geotechnical Engineers without Borders (GeoWB) report 2026 | View Item |
| HTC-408 | Field description of soil and rock, New Zealand (2005) | View Item |
| HTC-409 | Paper on Eurocodes, S. Burlon & R. Frank | View Item |
| HTC-410 | Recommendations CLOUTERRE: Design, Calculation, Execution, and Monitoring of Soil-Nailed Retaining Structures, France | View Item |
| HTC-411 | Recommendations for the design, construction and control of rigid inclusion ground improvements, Project National ASIRI, France | View Item |
| HTC-412 | Recommendations for planning and designing foundations of offshore wind turbines, France | View Item |
| HTC-413 | SUT OSIG “Guidance Notes for the Planning and Execution of Geophysical and Geotechnical Ground Investigations for Offshore Renewable Energy Developments” | View Item |
| HTC-414 | Geotechnical Engineering in Southeast Asia, Past Present and Future | View Item |
| HTC-415 | Recent Development of ISSMGE Asian Region Activities | View Item |
| HTC-416 | Foundations of 12th Century World Heritage Angkor Wat in Cambodia | View Item |
| HTC-417 | Notas sobre mecanica de suelo, J.Salas | View Item |