What’s Inside?

What’s inside a Lennartz 3D-Lite

What's inside a Lennartz 3D-Lite

“PLEASE, BY ALL MEANS RESIST THE TEMPTATION OF OPENING THE SENSOR! As we have stated previously, there are (very literally!) no user serviceable parts inside, and you will only make things worse. Once the sensor has been opened, the average user is unable to reseal the sensor […]

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What’s Inside the 21 ton Quervain-Piccard Seismograph

What's Inside the 21 ton Quervain-Piccard Seismograph

Click on the images below to see them at full scale. For all of the details see: de Quervain, A. & Piccard, A., 1924. Beschreibung des 21-Tonnen-UniversalSeismographen System de Quervain – Piccard, Jahresber. Schweiz. Erdbebendienst de Quervain, A. & Piccard, A., 1927. Déscription du séismographe universel de […]

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What’s inside a 1 HZ L4 geophone?

What's inside a 1 HZ L4 geophone?

Well, we all know what is inside a geophone, coils and magnets. Here is a look at the insides and a little movie of what I am pretty sure is a Mark Products L4. The pictures and video speak for themselves. The video: Link: What’s inside a […]

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What’s Inside Albuquerque Seismological Laboratory

What's Inside Albuquerque Seismological Laboratory

Hi Everyone, This is the next in the series of “What’s Inside“. I just got back from the IRIS bi-annual instrumentation meeting and at the end of the conference we got a tour of the Albuquerque Seismological Laboratory. Probably the best if not only seismic instrumentation testing […]

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What’s Inside a Geophone?

What's Inside a Geophone?

The geophone is an ingenious but simple device common to most seismic instruments. In this Seismo Guys video, I cut a geophone open and take a look inside: For pictures of the insides of a geophone, see the What’s Inside a Geophone photos page –Branden

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What’s inside an STS-2 Seismometer? Ants!

What's inside an STS-2 Seismometer? Ants!

I am starting a new section on the OSOP page. It will be called What’s Inside. It will mostly be seismometers but surely not limited to that. You just never know that the things you learn dissembling that Mikrotik Groove radio will come in handy when you […]

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