https://www.seeco.us/
SEE Co provides hardware, software and services for Mossbauer Spectoscopy plus Ritverc Gamma and X-ray Sources.
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https://www.azom.com/equipment-details.aspx?EquipID=3345
The VPF series cryostat from Janis Research is a simple and low-cost liquid nitrogen device that does not need any valves or adjustments.
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https://www.psi.ch/fr/sinq/poldi/cryostat
Several closed-cycle refrigerators and cryostats are available for low temperature measurements. See also here for an overview of all available setups +...
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