Mechanical Bathythermograph (MBT)

GLRC-Bathothermograph-1.JPG
GLRC-Bathothermograph-2.JPG
GLRC-Bathothermograph-3.JPG
GLRC-Bathothermograph-4.JPG
GLRC-Bathothermograph-5.JPG
GLRC-Bathothermograph-6a.JPG
GLRC-Bathothermograph-6b.JPG
GLRC-Bathothermograph-6c.JPG
GLRC-Bathothermograph-9.JPG

Title

Mechanical Bathythermograph (MBT)

Subject

oceanography; marine biology; bathymetry

Creator

Steven A. Walton and Robert Keen

Date

1950s?

Language

English

Type

physical object

Coverage

USA

Materials

brass; acetone; steel

Maker

Belfort Instrument Company, Baltimore, MD 21231 [according to federal supplier manufactuer number], founded 1876.

Inscriptions

[near nose]
OC-1 / CS
BATHYTHERMOGRAPH
DEPTH RANGE: 0 TO 200FT.
MFR: 82205 SER 15010

History of the Object

The b'graph is now held by the Great Lakes Research Center, principally to demonstrate historical methods of depth-temperature measurement.

Location

GLRC

Bibliography


Bathythermograph (Wikipedia)

Citation

Steven A. Walton and Robert Keen, “Mechanical Bathythermograph (MBT),” Michigan Tech Inventory of Historic Scientific Instruments, accessed March 28, 2024, https://ihsi.omeka.net/items/show/191.