Boys' torsion balance and components

Made:
1889 in Cambridge
maker:
Charles Vernon Boys and The Cambridge Scientific Instrument Company

Boys' torsion balance by Cambridge Scientific Instrument Co., 1889.

Details

Category:
Geophysics
Object Number:
1891-99
Measurements:
overall: 7.725kg
type:
torsion apparatus
credit:
Cambridge Scientific Instrument Co.

Parts

Charles Vernon Boys' Gravitational Apparatus by The Cambridge Scientific Instrument Co., 1889

Charles Vernon Boys' Gravitational Apparatus by The Cambridge Scientific Instrument Co., 1889

Large component of Charles Vernon Boys' Torsion Balance gravitational apparatus by The Cambridge Scientific Instrument Co., England, 1889. Components include: three tubes, one hood, split flanges, one mercury thermometer by J. Hicks of London, copper wire, length of bronze wire, two steel rods with brass spheres.

Measurements:
overall: 58.5kg
Materials:
brass (copper, zinc alloy) , glass , bronze (copper, tin alloy) , steel (metal) , mercury , mahogany (wood) , rubber (unidentified) and solder
Object Number:
1891-99 Pt1
type:
gravitational measurement apparatus , torsion balance and component
Charles Vernon Boys' Gravitational Apparatus

Charles Vernon Boys' Gravitational Apparatus

Large component of Charles Vernon Boys' Torsion Balance gravitational apparatus by The Cambridge Scientific Instrument Co., England, 1889.

Object Number:
1891-99 Pt1/1
type:
torsion balance
Part of:
1891-99 Pt1
Wooden component for Charles Vernon Boys' Gravitational Apparatus

Wooden component for Charles Vernon Boys' Gravitational Apparatus

Wooden component for Charles Vernon Boys' Gravitational Apparatus, this is made up of a wooden section with a triangular hole in the middle, with multiple cogs. At one end there is a larger adjustment cog. The other side of the part is a wooden slide, with five horizontal wooden battons going across again there are adjustment cogs on the side.

Object Number:
1891-99 Pt1/2
type:
component
Image ©
The Board of Trustees of the Science Museum
Part of:
1891-99 Pt1
Brass tube component for Charles Vernon Boys' Gravitational Apparatus

Brass tube component for Charles Vernon Boys' Gravitational Apparatus

Brass tube component for Charles Vernon Boys' Gravitational Apparatus

Materials:
brass
Object Number:
1891-99 Pt1/3
type:
tube
Image ©
The Board of Trustees of the Science Museum
Part of:
1891-99 Pt1
Brass tube component for Charles Vernon Boys' Gravitational Apparatus

Brass tube component for Charles Vernon Boys' Gravitational Apparatus

Brass tube component for Charles Vernon Boys' Gravitational Apparatus

Materials:
brass
Object Number:
1891-99 Pt1/4
type:
tube
Image ©
The Board of Trustees of the Science Museum
Part of:
1891-99 Pt1
Brass tube component for Charles Vernon Boys' Gravitational Apparatus

Brass tube component for Charles Vernon Boys' Gravitational Apparatus

Brass tube component for Charles Vernon Boys' Gravitational Apparatus

Materials:
brass
Object Number:
1891-99 Pt1/5
type:
tube
Image ©
The Board of Trustees of the Science Museum
Part of:
1891-99 Pt1
Thermometer for Charles Vernon Boys' Gravitational Apparatus

Thermometer for Charles Vernon Boys' Gravitational Apparatus

Thermometer for Charles Vernon Boys' Gravitational Apparatus, this also has a wooden hollow case, with a detachable top part. Made by J Hicks of London

Materials:
glass and wood
Object Number:
1891-99 Pt1/6
type:
thermometer
Image ©
The Board of Trustees of the Science Museum
Part of:
1891-99 Pt1
Brass tube component for Charles Vernon Boys' Gravitational Apparatus

Brass tube component for Charles Vernon Boys' Gravitational Apparatus

Brass tube component for Charles Vernon Boys' Gravitational Apparatus, there is a ridge at the bottom of the tube, with a diagonal section cut out of it.

Materials:
brass
Object Number:
1891-99 Pt1/7
type:
tube
Image ©
The Board of Trustees of the Science Museum
Part of:
1891-99 Pt1
Eyepiece for Charles Vernon Boys' Torsion Balance gravitational apparatus

Eyepiece for Charles Vernon Boys' Torsion Balance gravitational apparatus

Eyepiece for Charles Vernon Boys' Torsion Balance gravitational apparatus, brass tube with another metal element attached at one end, appears to have a glass cover on it, appears to be something you would look through.

Object Number:
1891-99 Pt1/8
type:
component
Image ©
The Board of Trustees of the Science Museum
Part of:
1891-99 Pt1
Eyepiece for Charles Vernon Boys' Torsion Balance gravitational apparatus

Eyepiece for Charles Vernon Boys' Torsion Balance gravitational apparatus

Eyepiece for Charles Vernon Boys' Torsion Balance gravitational apparatus, brass tube with another metal element attached at one end, appears to have a glass cover on it, appears to be something you would look through.

Object Number:
1891-99 Pt1/9
type:
component
Image ©
The Board of Trustees of the Science Museum
Part of:
1891-99 Pt1
Hood of Charles Vernon Boys' Torsion Balance gravitational apparatus

Hood of Charles Vernon Boys' Torsion Balance gravitational apparatus

Hood of Charles Vernon Boys' Torsion Balance gravitational apparatus

Object Number:
1891-99 Pt1/10
type:
hood
Image ©
The Board of Trustees of the Science Museum
Part of:
1891-99 Pt1
Two steel rods with and two brass spheres

Two steel rods with and two brass spheres

Two steel rods with and two brass spheres for Charles Vernon Boys' Torsion Balance gravitational apparatus

Materials:
steel and brass
Object Number:
1891-99 Pt1/11
type:
rods
Image ©
The Board of Trustees of the Science Museum
Part of:
1891-99 Pt1
split flanges for Charles Vernon Boys' Torsion Balance gravitational apparatus

split flanges for Charles Vernon Boys' Torsion Balance gravitational apparatus

A pair of split flanges for Charles Vernon Boys' Torsion Balance gravitational apparatus.

Materials:
brass
Object Number:
1891-99 Pt1/12
type:
split flange
Image ©
The Board of Trustees of the Science Museum
Part of:
1891-99 Pt1
Discs for Charles Vernon Boys' Torsion Balance gravitational apparatus

Discs for Charles Vernon Boys' Torsion Balance gravitational apparatus

Three discs for Charles Vernon Boys' Torsion Balance gravitational apparatus. All orange in colour with some scratches on them.

Object Number:
1891-99 Pt1/13
type:
disks
Image ©
The Board of Trustees of the Science Museum
Part of:
1891-99 Pt1
Wire for Charles Vernon Boys' Torsion Balance gravitational apparatus

Wire for Charles Vernon Boys' Torsion Balance gravitational apparatus

Wire for Charles Vernon Boys' Torsion Balance gravitational apparatus

Object Number:
1891-99 Pt1/14
type:
wire
Image ©
The Board of Trustees of the Science Museum
Part of:
1891-99 Pt1
Box for torsion balance components

Box for torsion balance components

Empty box for parts on display, contained within 1891-99 pt.1, large section of Boys' Torsion Balance. [Note: A drawing of Boys' Apparatus also at this location (not on Inv.)]

Object Number:
1891-99 Pt3
type:
containers
Image ©
The Board of Trustees of the Science Museum
Glass plate from Boys' torsion balance

Glass plate from Boys' torsion balance

Glass plate from Boys' from Boys' torsion balance, 1899.

Object Number:
1891-99 Pt4
type:
glass plate
Wooden base from Boys' Torsion Balance

Wooden base from Boys' Torsion Balance

Wooden base from Boys' Torsion Balance, 1889.

Object Number:
1891-99 Pt5
type:
base
Spheres from torsion balance

Spheres from torsion balance

Two gold spheres from Boys' torsion balance, 1899.

Object Number:
1891-99 Pt6
type:
spheres
Image ©
The Board of Trustees of the Science Museum
Four silver cylinders from Boys' torsion balance

Four silver cylinders from Boys' torsion balance

Four silver cylinders from Boys' torsion balance, 1899.

Object Number:
1891-99 Pt7
type:
cylinders
charts from Boys' torsion balance

charts from Boys' torsion balance

Two charts from Boys' torsion balance, 1899.

Object Number:
1891-99 Pt8
type:
charts
Charles Vernon Boys' Gravitational Apparatus by the Cambridge Scientific Instrument Co., 1889

Charles Vernon Boys' Gravitational Apparatus by the Cambridge Scientific Instrument Co., 1889

Moulds in two parts for lead balls, used on Charles Vernon Boys' torsion balance, by R.W. Munro and the Cambridge Scientific Instrument Co., England, 1889.

Measurements:
overall: 117 mm x 350 mm x 150 mm, 7.725kg
Materials:
iron and steel (metal)
Object Number:
1891-99 Pt9
type:
mould and gravitational measurement equipment
Image ©
The Board of Trustees of the Science Museum

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