Resistance bridge designed by Professor J. A. Fleming in 1879

Made:
1880

Resistance bridge (a modified Carey Foster bridge) designed by Professor J. A. Fleming in 1879 for intercomparison of a number of standard ohm coils belonging to the British Association.

Details

Category:
Electricity and Magnetism
Object Number:
1931-304
type:
resistance bridge
credit:
National Physical Laboratory

Parts

Four metal baths with wooden lids

Four metal baths with wooden lids

Four metal baths with wooden lids, for Fleming bridge

Object Number:
1931-304 Pt1
type:
baths
One of four metal baths with wooden lids

One of four metal baths with wooden lids

One of four metal baths with wooden lids, for Fleming bridge

Object Number:
1931-304 Pt1/1
type:
bath
Part of:
1931-304 Pt1
One of four metal baths with wooden lids

One of four metal baths with wooden lids

One of four metal baths with wooden lids, for Fleming bridge

Object Number:
1931-304 Pt1/2
type:
bath
Part of:
1931-304 Pt1
One of four metal baths with wooden lids

One of four metal baths with wooden lids

One of four metal baths with wooden lids, for Fleming bridge

Object Number:
1931-304 Pt1/3
type:
bath
Part of:
1931-304 Pt1
One of four metal baths with wooden lids

One of four metal baths with wooden lids

One of four metal baths with wooden lids, for Fleming bridge

Object Number:
1931-304 Pt1/4
type:
bath
Part of:
1931-304 Pt1
Four wooden stools for supporting metal baths of Fleming bridge

Four wooden stools for supporting metal baths of Fleming bridge

Four wooden stools for supporting metal baths of Fleming bridge

Object Number:
1931-304 Pt2
type:
stools
One of four wooden stools for supporting metal baths of Fleming bridge

One of four wooden stools for supporting metal baths of Fleming bridge

One of four wooden stools for supporting metal baths of Fleming bridge

Object Number:
1931-304 Pt2/1
type:
stools
Part of:
1931-304 Pt2
One of four wooden stools for supporting metal baths of Fleming bridge

One of four wooden stools for supporting metal baths of Fleming bridge

One of four wooden stools for supporting metal baths of Fleming bridge

Object Number:
1931-304 Pt2/2
type:
stools
Part of:
1931-304 Pt2
One of four wooden stools for supporting metal baths of Fleming bridge

One of four wooden stools for supporting metal baths of Fleming bridge

One of four wooden stools for supporting metal baths of Fleming bridge

Object Number:
1931-304 Pt2/3
type:
stools
Part of:
1931-304 Pt2
One of four wooden stools for supporting metal baths of Fleming bridge

One of four wooden stools for supporting metal baths of Fleming bridge

One of four wooden stools for supporting metal baths of Fleming bridge

Object Number:
1931-304 Pt2/4
type:
stools
Part of:
1931-304 Pt2
Ebonite plate, part of Fleming bridge

Ebonite plate, part of Fleming bridge

Ebonite plate, part of Fleming bridge

Materials:
ebonite
Object Number:
1931-304 Pt3
type:
plate
two resistors, the ratio arms for Fleming bridge

two resistors, the ratio arms for Fleming bridge

Wooden box containing two resistors, the ratio arms for Fleming bridge

Object Number:
1931-304 Pt4
type:
resistors
three resistors, for use with Fleming bridge

three resistors, for use with Fleming bridge

Wooden box containing three resistors, for use with Fleming bridge

Object Number:
1931-304 Pt5
type:
resistors
Four spring metal clips, part of Flaming bridge

Four spring metal clips, part of Flaming bridge

Four spring metal clips, part of Flaming bridge

Materials:
metal (unknown)
Object Number:
1931-304 Pt6
type:
clips
spring metal clip, part of Flaming bridge

spring metal clip, part of Flaming bridge

One of four spring metal clips, part of Flaming bridge

Materials:
metal (unknown)
Object Number:
1931-304 Pt6/1
type:
clip
Part of:
1931-304 Pt6
spring metal clip, part of Flaming bridge

spring metal clip, part of Flaming bridge

One of four spring metal clips, part of Flaming bridge

Materials:
metal (unknown)
Object Number:
1931-304 Pt6/2
type:
clip
Part of:
1931-304 Pt6
spring metal clip, part of Flaming bridge

spring metal clip, part of Flaming bridge

One of four spring metal clips, part of Flaming bridge

Materials:
metal (unknown)
Object Number:
1931-304 Pt6/3
type:
clip
Part of:
1931-304 Pt6
spring metal clip, part of Flaming bridge

spring metal clip, part of Flaming bridge

One of four spring metal clips, part of Flaming bridge

Materials:
metal (unknown)
Object Number:
1931-304 Pt6/4
type:
clip
Part of:
1931-304 Pt6
Platinum resistance coil made by Eliott's

Platinum resistance coil made by Eliott's

Platinum resistance coil made by Eliott's, no. 166, used with Fleming bridge

Object Number:
1931-304 Pt7
type:
coil
Platinum resistance coil made by Elliott's no. 182

Platinum resistance coil made by Elliott's no. 182

Platinum resistance coil made by Elliott's no. 182, for use with Fleming bridge

Object Number:
1931-304 Pt8
type:
coil
Resistance measurer for Fleming bridge

Resistance measurer for Fleming bridge

Resistance measurer for Fleming bridge

Object Number:
1931-304 Pt9
type:
measurer
Rectangular part of resistance measurer

Rectangular part of resistance measurer

Rectangular part of resistance measurer, with copper contact cups and bands, for Fleming bridge

Materials:
copper (metal)
Object Number:
1931-304 Pt9/1
type:
component
Part of:
1931-304 Pt9
Sliding wire contact

Sliding wire contact

Sliding wire contact, round part of resistance measurer for Fleming bridge

Object Number:
1931-304 Pt9/2
type:
wire contact
Part of:
1931-304 Pt9
Wooden attachment

Wooden attachment

Wooden attachment, holes on one side and green tarnished metal on the other side, part of resistance bridge (a modified Carey Foster bridge) designed by Professor J. A. Fleming in 1879 for intercomparison of a number of standard ohm coils belonging to the British Association.

Object Number:
1931-304 Pt10
type:
attachment