Exhibit illustrating quartz technique.

Exhibit illustrating quartz technique.

Details

Category:
Time Measurement
Object Number:
1947-311
type:
quartz clock mechanism
credit:
(1) General Post Office Research Station, Dollis Hill; (2) BT Museum

Parts

Quartz crystal, with X, Y and Z axes labelled

Quartz crystal, with X, Y and Z axes labelled

Object Number:
1947-311 Pt4
type:
quartz crystal
Quartz crystal, containing 'ghost'

Quartz crystal, containing 'ghost'

Object Number:
1947-311 Pt5
type:
quartz crystal
Model, demonstrating the GT-cut quartz plate orientation via the x, y and z axes

Model, demonstrating the GT-cut quartz plate orientation via the x, y and z axes

Object Number:
1947-311 Pt7
type:
quartz crystal plate
Quartz crystal, with possible GT-cut plate position indicated

Quartz crystal, with possible GT-cut plate position indicated

Object Number:
1947-311 Pt10
type:
quartz crystal
Silver coated GT-cut quartz plate, with nodal region positioned wires

Silver coated GT-cut quartz plate, with nodal region positioned wires

Object Number:
1947-311 Pt16
type:
gt-cut quartz plate
GT-cut quartz plate, mounted in glass envelope, inside jar

GT-cut quartz plate, mounted in glass envelope, inside jar

Object Number:
1947-311 Pt17
type:
gt-cut quartz plate
Essen-type z-cut quartz ring, plated and notched

Essen-type z-cut quartz ring, plated and notched

Object Number:
1947-311 Pt18
type:
z-cut quartz ring
Essen-type z-cut quartz ring, mounted in mechanism

Essen-type z-cut quartz ring, mounted in mechanism

Object Number:
1947-311 Pt20
type:
z-cut quartz ring