Collection
Collection
Learning
The group
Visit us
Expand child menu
Science Museum
National Science and Media Museum
Science and Industry Museum
National Railway Museum
Locomotion
Science and Innovation Park
Collection
Search
About
Search
About
Collection
Learning
The group
Visit us
Expand child menu
Science Museum
National Science and Media Museum
Science and Industry Museum
National Railway Museum
Locomotion
Science and Innovation Park
Search our collection
All
2
People
0
Objects
2
Documents
0
View:
Filter search
Clear all filters
Image
Has Image
2
Non-Commercial Use
2
Category
Domestic Appliances
1
Mathematics
1
Object type
adding machine
1
amplifier
1
Maker
Baker-Vawter Company
1
Heathkit
1
Place of origin
Benton Harbor
2
Benton Harbor, Berrien county, Michigan, United States
1
Manchester
1
Manchester, Manchester urban district, Greater Manchester, England, United Kingdom; Benton Harbor, Berrien county, Michigan, United States
1
Date
From year
To year
filter
Home-built amplifier
1965; 1965
Example (no.6173) of the "Rapid Computer" patented in 1892 by the Baker-Vawter Co.
1892-1900
