Description
Vintage 1959 Sensitive Research Instrument Corporation Model S Direct Current Volt-Millivoltmeter, housed in its original wooden portable instrument case.
Manufactured by Sensitive Research Instrument Corporation of New Rochelle, New York, USA, this is a substantial vintage precision laboratory measuring instrument dating from the late 1950s.
The original calibration / specification card remains mounted inside the wooden lid. It identifies the instrument as a Direct Current Millivoltmeter, Model S, with serial number 913484 and is dated 9/4/1959.
The instrument features the distinctive large analogue scale, multiple selectable voltage / millivolt terminals, Sensitive Research precision movement and the manufacturer’s “Diamond Pivoted” marking.
Sensitive Research Model S instruments were professional precision laboratory equipment rather than domestic electrical testers. Period technical documentation describes Model S instruments as high-grade precision measuring equipment produced by Sensitive Research Instrument Corporation in New Rochelle, New York. navy-radio.com
Features:
- Manufacturer: Sensitive Research Instrument Corporation
- Model: S
- Type: Direct Current Volt-Millivoltmeter
- Serial number: 913484
- Date shown on calibration card: 9/4/1959
- Manufactured in New Rochelle, New York, USA
- Large analogue precision meter
- Multiple measurement terminals / ranges
- Diamond Pivoted movement
- Original wooden carrying / laboratory case
- Original internal calibration and specification plate
- Vintage test leads included as pictured
Condition:
This is an unrestored vintage laboratory instrument and is being sold untested.
The wooden case has extensive age-related wear, scratches, staining, loss of finish and general patina. The metal fittings show oxidation and corrosion. Wire has been added around the outside of the case, apparently to help secure it.
The original test leads are heavily aged and show deterioration, including fraying / exposed ends, and should not be considered suitable for use without professional inspection or replacement.
The meter face, controls, terminals and internal identification plates remain present as shown.
Because of its age and condition, this item is best regarded as a collectable scientific instrument, restoration project, industrial display piece or museum-style laboratory item rather than guaranteed working test equipment.
Please study all photographs carefully, as they show the exact item, condition, markings and accessories included in the sale.
Brand: Sensitive Research Instrument Corporation
Model / MPN: Model S
Country of Origin: United States
Condition: Used / Untested
Year: 1959
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