Hirst Magnetic Instruments Ltd
Avmagnetiseringsapparater (MD Series)
Avmagnetiseringsapparater (MCSD Series)
Magnetiseringsapparater (MCSD Series)
Magnetiseringsapparater (MCD Series)
Magnetometer (PFM21)
Gassmeterere (GM08)
Gassmeterere (GM07)
Fluksmetre (IFM03)
Fluksmetre (IFM02)