A collection can explain change
A computer museum tells its history through more than a sequence of machines. At the Polytechnic University of Madrid’s Historical Computer Museum, objects are accompanied by panels covering technological milestones, programming languages, operating systems and the history of the Internet. That combination matters: it makes it possible to ask not only which device has been preserved, but also which changes it can help us understand.
The university describes a collection that includes ferrite-core memories, valves, microprocessors, card punches, early personal computers, workstations, magnetic tapes and hard disks. The list is not, by itself, a complete chronology. It does, however, show the range of scales and functions that a history of computing can bring together.
From component to system
A ferrite-core memory or microprocessor points to a different aspect of computing than a complete computer does. An individual component can focus attention on how systems are built; a machine makes more visible the form those components take as a tool. UPM’s museum route brings both kinds of object together with storage media and input equipment.
Card punches are among the latter. Their presence is a reminder that interacting with a computer did not always look like the immediate screen-and-keyboard experience many people associate with computing today. The institutional source identifies the object, but the information available here does not specify its models, dates of use or the precise processes associated with each example. It is important to keep that distinction between what the collection confirms and what would require further documentation.
Storage media have a history too
The Historical Computer Museum describes a change in information storage: the bulky, heavy hard disks used in computers in the 1970s gave way to progressively lighter, higher-capacity formats. That comparison makes a transformation visible which can be overlooked when computing history is reduced to a succession of complete computers.
Magnetic tapes and hard disks are also listed among UPM’s collection objects. They invite us to consider storage as a material part of the computing experience, rather than an abstract function. The available descriptions do not specify capacities, exact dimensions or the individual histories of these objects, however, so it would be unwise to attribute details to them.
From the machine to networks
UPM’s presentation describes a route from an initial focus on the device itself to the establishment of computerised telecommunications networks. This broadens the picture: alongside asking what a machine could do, it invites us to consider how its relationship with other machines and with everyday activities changed.
The museum places material about programming languages, operating systems and the Internet alongside its objects. History is therefore not reduced to the appearance of hardware. Objects provide material evidence; according to the institutional description, the panels place them in an educational narrative. There is not enough information here to detail every part of the route or establish when each object entered the collection.
Preservation means providing context
The history of Spain’s National Museum of Science and Technology shows that a museum institution has its own history. According to MUNCYT’s account, initiatives took place in 1970 and 1972, and an Interministerial Board for Science and Technology was established in 1975. The account also places the first museum site in Madrid’s former Delicias railway station. These details concern the museum project, not the origins of objects at UPM’s museum; the two collections should not be conflated.
The museum archive described by the Community of Madrid lists resources related to computers, image and sound playback, audio-recording playback and Internet access. It is another reminder that preserving technology does not mean simply keeping artefacts. Records, consultation services and the conditions for accessing information matter too.
A history still being written
UPM’s collections allow components, machines and media to be seen as parts of a connected history. Their value lies in resisting the idea that computing’s past is just a row of obsolete devices: objects can be read alongside the languages, systems and networks around them.
These sources set clear limits on what can be said. They do not provide complete inventories, individual dates for every object or testimony from the people who used them. The most robust conclusion is more modest, but useful: to explain computing, museums need to preserve both concrete objects and the relationships that make them understandable.
Documentary gallery


- Decade
- 1970s
- Region
- Spain
- Level
- Introduction
- Entities
- Museum
Sources and references
- Museo histórico de la informáticawww.upm.es · 2026-09-25
- Evolución histórica de las Tecnologías de la Información y su aplicaciónrevistas.ucm.es · 2026-09-25
- ARCHIVO DEL MUSEO NACIONAL DE CIENCIA Y TECNOLOGÍA - Archivos de la Comunidad de Madridwww.madrid.org · 2026-09-25
- Museo Histórico de la Informática-ETS de Ingenieros Informáticos (UPM)www.fi.upm.es · 2026-09-25
- (Nuestra) Historia | MUNCYTmuncyt.es · 2026-09-25