Half of the differential analyser Differential analyser Differential analyser Differential analyser Differential analyser Differential analyser Differential analyser Differential analyser Differential analyser Differential analyser Differential analyser Differential analyser Differential analyser Differential analyser Differential analyser Differential analyser Differential analyser Half of the differential analyser Half of the differential analyser Half of the differential analyser Differential analyser Differential analyser Differential analyser Differential analyser Differential analyser Differential analyser

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Half of the differential analyser
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Half of the differential analyser
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Half of the differential analyser
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Half of the differential analyser
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Half of the differential analyser, made by Metropolitan-Vickers Electrical Co. Ltd, Trafford Park, in 1935, and designed and used by Douglas Hartree at the University of Manchester, with associated photographic glass negatives showing part of the analyser.

Used to have 1/4 inch glass plate discs for the metal integrator discs.

Details

Category:
Mathematics
Object Number:
Y1988.447
Measurements:
Overall: 655 mm x 674 mm x 852 mm,
type:
mechanical analogue calculator
credit:
Gift of The University of Manchester

Parts

Mechanical Analogue Calculator

Mechanical Analogue Calculator

Parts of the differential analyser, made by Metropolitan-Vickers Electrical Co. Ltd, Trafford Park, in 1935, and designed and used by Douglas Hartree at the University of Manchester, with associated photographic glass negatives showing part of the analyser. The parts are: two rods, small gear wheel, sleeve (connector), adding unit, ball bearing. All contained in a wood and glass box.

Object Number:
Y1988.447.1
type:
mechanical analogue calculator
Hartree Differential Analyser Pins

Hartree Differential Analyser Pins

Parts of the Hartree differential analyser: 11 small round pins from input table.

Materials:
metal (unknown)
Object Number:
Y1988.447.2
type:
pin - fastener
Image ©
The Board of Trustees of the Science Museum
Raising Lever from Hartree Differential Analyser

Raising Lever from Hartree Differential Analyser

Parts of the Hartree differential analyser: Raising lever from intergrater BC (now replaced).

Materials:
copper (alloy)
Object Number:
Y1988.447.3
type:
computer
Image ©
The Board of Trustees of the Science Museum
Washers from Hartree Differential Analyser

Washers from Hartree Differential Analyser

Parts of the Hartree differential analyser: washers.

Materials:
copper (alloy)
Object Number:
Y1988.447.4
type:
washers
Image ©
The Board of Trustees of the Science Museum
Fragment from Hartree Different Analyser Integrator Cabinet

Fragment from Hartree Different Analyser Integrator Cabinet

Parts of the Hartree differential analyser: piece of wood broken off the integrator cabinet.

Materials:
wood (unidentified)
Object Number:
Y1988.447.5
type:
fragment
Image ©
The Board of Trustees of the Science Museum
Clock Spring From Hartree Differential Analyser

Clock Spring From Hartree Differential Analyser

Parts of the Hartree differential analyser; clock spring from torque amplifier.

Materials:
metal (unknown)
Object Number:
Y1988.447.6
type:
spring
Image ©
The Board of Trustees of the Science Museum
Hartree Differential Analyser Half Nuts

Hartree Differential Analyser Half Nuts

Parts of the Hartree differential analyser: 2 half nuts from input table.

Materials:
copper (metal) and metal (unknown)
Object Number:
Y1988.447.7
type:
fastener
Image ©
The Board of Trustees of the Science Museum
Pin From Hartree Differential Analyser

Pin From Hartree Differential Analyser

Parts of the Hartree differential analyser: Pin DNW.

Materials:
metal (unknown)
Object Number:
Y1988.447.8
type:
pin - fastener
Image ©
The Board of Trustees of the Science Museum
Pin From Hartree Differential Analyser

Pin From Hartree Differential Analyser

Parts of the Hartree differential analyser: Pin CNE.

Materials:
metal (unknown)
Object Number:
Y1988.447.9
type:
pin - fastener
Image ©
The Board of Trustees of the Science Museum
Pin From Hartree Differential Analyser

Pin From Hartree Differential Analyser

Parts of the Hartree differential analyser: Pin ENE.

Materials:
metal (unknown)
Object Number:
Y1988.447.10
type:
pin - fastener
Image ©
The Board of Trustees of the Science Museum
Pin From Hartree Differential Analyser

Pin From Hartree Differential Analyser

Parts of the Hartree differential analyser: Pin DSW.

Materials:
metal (unknown)
Object Number:
Y1988.447.11
type:
pin - fastener
Image ©
The Board of Trustees of the Science Museum
Pin From Hartree Differential Analyser

Pin From Hartree Differential Analyser

Parts of the Hartree differential analyser: Pin BNW.

Materials:
metal (unknown)
Object Number:
Y1988.447.12
type:
pin - fastener
Image ©
The Board of Trustees of the Science Museum
Pin From Hartree Differential Analyser

Pin From Hartree Differential Analyser

Parts of the Hartree differential analyser: Pin ESE.

Materials:
metal (unknown)
Object Number:
Y1988.447.13
type:
pin - fastener
Image ©
The Board of Trustees of the Science Museum
Pin From Hartree Differential Analyser

Pin From Hartree Differential Analyser

Parts of the Hartree differential analyser: Pin AW (ex DE).

Materials:
metal (unknown)
Object Number:
Y1988.447.14
type:
pin - fastener
Image ©
The Board of Trustees of the Science Museum
Pin From Hartree Differential Analyser

Pin From Hartree Differential Analyser

Parts of the Hartree differential analyser: Pin BNE (ex CSW).

Materials:
metal (unknown)
Object Number:
Y1988.447.15
type:
pin - fastener
Image ©
The Board of Trustees of the Science Museum
Output Unit

Output Unit

Output unit of hartree differential analyser. consists of wooden board, with steel mechanism attached, and a green painted iron frame underneath.

Measurements:
overall: 254 mm x 1020 mm x 700 mm,
Object Number:
Y1988.447.16
type:
output unit
Input Unit

Input Unit

input unit of hartree differential analyser, with two brackets and four bolts. consists of wooden board, with steel mechanism attached, and a green painted iron frame underneath.

Measurements:
overall: 545 mm x 1050 mm x 1005 mm,
Object Number:
Y1988.447.17
type:
input unit
Table

Table

main table of hartree differential analyser. Consists of main steel frame with power unit on one side (on wooden board), and motor on the other. Top of frame unit has exposed steel mechanism along width. Has rods along width and length, which are attached to frame.

Measurements:
overall: 920 mm x 1040 mm x 2800 mm,
Object Number:
Y1988.447.18
type:
table
Wooden box containing a machine. Part of the differential analyser

Wooden box containing a machine. Part of the differential analyser

Wooden box containing a machine. Part of the differential analyser, made by Metropolitan-Vickers Electrical Co. Ltd, Trafford Park, in 1935, and designed and used by Douglas Hartree at the University of Manchester

Measurements:
overall: 300 mm x 380 mm x 270 mm,
Materials:
wood (unidentified) and metal (unknown)
Object Number:
Y1988.447.19
type:
machine
Differential Analyser Components

Differential Analyser Components

differential analyser parts; unit parts in a crate.

Materials:
iron
Object Number:
Y1988.447.20
type:
differential analyser parts
Differential Analyser Components

Differential Analyser Components

differential analyser parts; unit base parts. Made by Metropolitan-Vickers Electrical Company Limited.

Measurements:
overall: 400 mm x 840 mm x 1000 mm,
Materials:
iron , glass and wood (unidentified)
Object Number:
Y1988.447.21
type:
differential analyser parts
Differential Analyser Parts

Differential Analyser Parts

Differential Analyser parts- a pallet of parts including 2 x triangular guarder frames, 2 panels with 7 holes in the middle parts, 2 x rods with 6 bolted loops, a frame with 2 rolls of coils attached at each end.

Measurements:
overall: 240 mm x 800 mm x 1020 mm, 63.5 kg
Materials:
iron
Object Number:
Y1988.447.22
type:
differential analyser parts
Key for differential analyser cabinet

Key for differential analyser cabinet

Key for Hartree Differential Analyser cabinet.

Materials:
metal (unknown)
Object Number:
Y1988.447.23
type:
key