Punched cards for Babbage's Analytical Engine

Made:
circa 1870 in England
maker:
Charles Babbage
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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

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

Experimental models and moulds from Charles Babbage's work on calculating machines. Charles Babbage (1791-1871) was a British computing pioneer who first conceived the idea of an advanced calculating machine to calculate and print mathematical tables in 1812 and in 1834 conceived a machine designed to evaluate any mathematical formula and to have even higher powers of analysis than his original Difference Engine of the 1820s. Only part of the machine was completed before Babbage's death in 1871.

Details

Category:
Computing & Data Processing
Object Number:
1905-181
type:
analytical engines, components and calculating machines
credit:
Major-General Babbage

Parts

Slotted metal assembly on wooden base

Slotted metal assembly on wooden base

Slotted metal assembly, mounted on a wooden base

Object Number:
1905-181 Pt1
type:
assembly
Image ©
The Board of Trustees of the Science Museum
Half Zero Anticipating Carriage Assembly

Half Zero Anticipating Carriage Assembly

Half Zero Anticipating Carriage Assembly, mounted on a wooden base

Object Number:
1905-181 Pt2
type:
analytical engine component
Image ©
The Board of Trustees of the Science Museum
Rack and gear wheel assembly on wooden base

Rack and gear wheel assembly on wooden base

Rack and gear wheel assembly, mounted on a wooden base

Materials:
cast iron and mahogany (wood)
Object Number:
1905-181 Pt3
type:
gear wheel
Image ©
The Board of Trustees of the Science Museum
Preliminary wheels for carriage

Preliminary wheels for carriage

3 x Preliminary wheels for carriage

Object Number:
1905-181 Pt4
type:
gear
Image ©
The Board of Trustees of the Science Museum
Machined bar with slide and four arched bars

Machined bar with slide and four arched bars

Machined bar with slide and four arched bars

Object Number:
1905-181 Pt5
type:
bar
Image ©
The Board of Trustees of the Science Museum
Two toothed wheels

Two toothed wheels

2 x Toothed wheels

Object Number:
1905-181 Pt6
type:
wheel
Image ©
The Board of Trustees of the Science Museum
Seventeen metal pieces used for moulding parts

Seventeen metal pieces used for moulding parts

17 x Pieces of metal used for moulding parts

Object Number:
1905-181 Pt7
type:
moulds
Five cast gear wheels

Five cast gear wheels

4 x cast gear wheels

Object Number:
1905-181 Pt8
type:
gear wheels
Image ©
The Board of Trustees of the Science Museum
Three rack castings

Three rack castings

3 x Rack castings

Object Number:
1905-181 Pt9
type:
castings
Thirty toothed racks

Thirty toothed racks

30 x Toothed racks

Object Number:
1905-181 Pt10
type:
toothed rack
Four ten tooth pinion wheels

Four ten tooth pinion wheels

4 x 10 tooth pinion wheels

Object Number:
1905-181 Pt11
type:
pinion
Image ©
The Board of Trustees of the Science Museum
An assembly with fitted studs

An assembly with fitted studs

An assembly, with studs fitted

Object Number:
1905-181 Pt12
type:
assembly
Image ©
The Board of Trustees of the Science Museum
Steel mould for lower carriage plate

Steel mould for lower carriage plate

Steel mould for lower carriage plate

Object Number:
1905-181 Pt13
type:
mould
Image ©
The Board of Trustees of the Science Museum
Steel mould and gear wheel

Steel mould and gear wheel

Steel mould and gear wheel

Object Number:
1905-181 Pt14
type:
mould
Image ©
The Board of Trustees of the Science Museum
Die, for pressure casting

Die, for pressure casting

Die, for pressure casting

Object Number:
1905-181 Pt15
type:
die
Image ©
The Board of Trustees of the Science Museum
Channel bar with rack inserts

Channel bar with rack inserts

Channel bar with rack inserts

Object Number:
1905-181 Pt16
type:
channel bar
Image ©
The Board of Trustees of the Science Museum
Cast gear wheel and toothed disc

Cast gear wheel and toothed disc

Cast gear wheel and toothed disk

Object Number:
1905-181 Pt17
type:
gear wheel
Image ©
The Board of Trustees of the Science Museum
Twelve gear wheels

Twelve gear wheels

12 x gear wheels

Object Number:
1905-181 Pt18
type:
wheel
Image ©
The Board of Trustees of the Science Museum
Segmented disc assemblies

Segmented disc assemblies

Segmented Disk Assemblies

Object Number:
1905-181 Pt19
type:
component - object
Image ©
The Board of Trustees of the Science Museum
Brass assembly

Brass assembly

Unidentified brass assembly

Materials:
brass
Object Number:
1905-181 Pt20
type:
brass assembly
Image ©
The Board of Trustees of the Science Museum
Machined brass link

Machined brass link

Machined brass link

Materials:
brass
Object Number:
1905-181 Pt21
type:
link
Image ©
The Board of Trustees of the Science Museum
Alloy racks on steel bar

Alloy racks on steel bar

Alloy racks on steel bar

Materials:
steel
Object Number:
1905-181 Pt22
type:
bar and rack
Image ©
The Board of Trustees of the Science Museum
Wooden handle, for peg hole nuts

Wooden handle, for peg hole nuts

Wooden handle, for peg hole nuts

Object Number:
1905-181 Pt23
type:
handles
Image ©
The Board of Trustees of the Science Museum
Four toothed bars,brass

Four toothed bars,brass

4 x Toothed bars (brass)

Object Number:
1905-181 Pt24
type:
brass bars
Image ©
The Board of Trustees of the Science Museum
Gear wheels(52), washers, (21), stored on shaft

Gear wheels(52), washers, (21), stored on shaft

52 x Gear wheels (loose), 21 x washers (loose), all stored on a shaft

Object Number:
1905-181 Pt25
type:
gears
Image ©
The Board of Trustees of the Science Museum
Unidentified Assembly

Unidentified Assembly

Unidentified Assembly

Object Number:
1905-181 Pt26
type:
assembly
Image ©
The Board of Trustees of the Science Museum
Brass Assembly

Brass Assembly

Brass Assembly (carriagework ?)

Materials:
brass
Object Number:
1905-181 Pt27
type:
assembly

Lower plates from Analytical Engine

Lower plates from Analytical Engine qty 34. stored on a spike

Object Number:
1905-181 Pt28
type:
component - object
Image ©
The Board of Trustees of the Science Museum
Carriage column plates on wooden shaft

Carriage column plates on wooden shaft

44 x Upper plates, carriage column, stored on a wooden shaft

Materials:
metal (unknown) and wood (unidentified)
Object Number:
1905-181 Pt29
type:
component
Image ©
The Board of Trustees of the Science Museum
Trial pieces for carriage column

Trial pieces for carriage column

35 x Trial piece for carriage column

Object Number:
1905-181 Pt30
type:
components
Image ©
The Board of Trustees of the Science Museum
Three steelbars, two with brass collars

Three steelbars, two with brass collars

3 x Steelbars, two of which have brass collars fitted

Object Number:
1905-181 Pt31
type:
steelbars
Image ©
The Board of Trustees of the Science Museum
Double ended spanner

Double ended spanner

Double ended spanner

Object Number:
1905-181 Pt32
type:
spanner
Image ©
The Board of Trustees of the Science Museum
Seven pieces from moulds and punches

Seven pieces from moulds and punches

7 x pieces from moulds and punches (in cardboard box)

Object Number:
1905-181 Pt34
type:
component - object
Image ©
The Board of Trustees of the Science Museum
Four brass gear wheels

Four brass gear wheels

4 x Brass gear wheels

Object Number:
1905-181 Pt35
type:
gear
Seven slide assemblies

Seven slide assemblies

7 x Slide Assemblies

Object Number:
1905-181 Pt36
type:
slide assembly
Image ©
The Board of Trustees of the Science Museum
Ten brass stampings

Ten brass stampings

10 x Brass stampings

Materials:
brass
Object Number:
1905-181 Pt37
type:
stamping
Image ©
The Board of Trustees of the Science Museum
A column of punched plates, with six toothed wheels attached

A column of punched plates, with six toothed wheels attached

A column of punched plates, with six toothed wheels attached

Object Number:
1905-181 Pt38
type:
plate
Image ©
The Board of Trustees of the Science Museum
Gear wheel rack assembly, wooden mount

Gear wheel rack assembly, wooden mount

Gear wheel/rack assembly, mounted on a wooden base

Materials:
metal (unknown) and wood (unidentified)
Object Number:
1905-181 Pt39
type:
gear
Image ©
The Board of Trustees of the Science Museum
Trial piece - two gear wheels and frame

Trial piece - two gear wheels and frame

Trial piece - two gear wheels and frame, mounted on a wooden base

Object Number:
1905-181 Pt40
type:
gears
Image ©
The Board of Trustees of the Science Museum
Two ribbed assemblies

Two ribbed assemblies

2 x Ribbed assemblies

Object Number:
1905-181 Pt41
type:
assembly
Image ©
The Board of Trustees of the Science Museum
Two gear wheels

Two gear wheels

2 x Gear Wheels

Object Number:
1905-181 Pt42
type:
wheel
Image ©
The Board of Trustees of the Science Museum
Four metal assemblies

Four metal assemblies

4 x Assemblies

Object Number:
1905-181 Pt43
type:
assemblies
Image ©
The Board of Trustees of the Science Museum
Steel screwtops and capstan head screws

Steel screwtops and capstan head screws

Small tin, containing: 4 x steel screwtops, 33 x capstan headed screws

Object Number:
1905-181 Pt44
type:
screewtop
Image ©
The Board of Trustees of the Science Museum
Unidentified pieces (67)

Unidentified pieces (67)

67 x Unidentified pieces

Object Number:
1905-181 Pt45
type:
components
Trial pieces for carriage column

Trial pieces for carriage column

5 x Trial pieces for carriage column (stamped out in brass)

Materials:
brass (copper, zinc alloy)
Object Number:
1905-181 Pt46
type:
trial pieces
Die, for pressure casting (E16-1905)

Die, for pressure casting (E16-1905)

Die, for pressure casting (E16-1905)

Object Number:
1905-181 Pt47
type:
die
Die, for pressure casting (E10-1905)

Die, for pressure casting (E10-1905)

Die, for pressure casting (E10-1905)

Object Number:
1905-181 Pt48
type:
die
Experimental rack assembly

Experimental rack assembly

Experimental Rack Assembly

Object Number:
1905-181 Pt49
type:
rack assembly
Image ©
The Board of Trustees of the Science Museum
Gear and lever assemblies, on metal base

Gear and lever assemblies, on metal base

Gear and lever assemblies, on heavy metal base

Object Number:
1905-181 Pt50
type:
gears
Image ©
The Board of Trustees of the Science Museum

Trial model and spare wheels for Charles Babbage's Analytical Engine

Trial model and spare wheels for Analytical Engine, mounted on wooden base, by Charles Babbage, England, c. 1870

More

In 1843 celebrated polymath Charles Babbage began work on an ambitious new calculating machines called the Analytical Engine. Only trial pieces remain, but if completed it would likely have been the size of a large room, and would have used steam power to conduct its calculations by mvoing a complex set of cogs, leavers and punched cards. Babbage wanted it to be capable of addition, substraction, multiplication and division, its design containing much of the architecture that we would recognise in a modern-day computer.

Materials:
wood (unidentified) , metal (unknown) , brass (copper, zinc alloy) and steel (metal)
Object Number:
1905-181 pt52
type:
analytical engines , components and calculating machines
Image ©
The Board of Trustees of the Science Museum
Brass gear wheels, colletts, and brass bar

Brass gear wheels, colletts, and brass bar

3 x Brass gear wheels, 2 x colletts, 1 x shaped brass bar

Object Number:
1905-181 Pt53
type:
gear wheels
Six machined brass bars

Six machined brass bars

6 x machined brass bars

Materials:
brass
Object Number:
1905-181 Pt54
type:
bar
Image ©
The Board of Trustees of the Science Museum

Experimental column for Analytical Engine, 1870-1871

Experimental column for Analytical Engine, by Charles Babbage, England, 1870-1871

Measurements:
overall: Height = 250 mm x Width = 464 mm x Depth = 180 mm, 10.24 kg
Materials:
steel (metal) , iron and oak (wood)
Object Number:
1905-181 Pt56
type:
column
Image ©
The Board of Trustees of the Science Museum
Lower plates from Analytical Engine

Lower plates from Analytical Engine

Lower plates from Analytical Engine, qty ?

Object Number:
1905-181 Pt57
type:
plate
Labels for parts of Charles Babbage's Analytical Engine

Labels for parts of Charles Babbage's Analytical Engine

Envelope of original labels from from Charles Babbage's work on calculating machines

Object Number:
1905-181 Pt58
type:
labels