Explore

Donate

Copyright/attribution: ©Bristol Museums, Galleries and Archives

Sumlock Plus 509 (calculator)

Mechanical hours and minutes calculator, the Sumlock Plus 509 made by the Bell Punch Co Ltd, c1960 and used for calculating bus crew hours at Bristol Omnibus C and successors until 1999

More like this...

Image of Sumlock Model 912 (calculator)

Sumlock Model 912 (calculator)
Image of Facit Model CA1-13 (calculator)

Facit Model CA1-13 (calculator)
Image of Tates Arithmometer (calculator)

Tates Arithmometer (calculator)
Image of Otis King's Patent Calculator (printed document)

Otis King's Patent Calculator (printed document)
Image of Nippon Calculator (calculator)

Nippon Calculator (calculator)
Image of Farometer (measuring instrument)

Farometer (measuring instrument)
Image of Monromatic Model 8N-213 (calculator)

Monromatic Model 8N-213 (calculator)
Image of Little Bull Mechanical Foghorn (fog horn)

Little Bull Mechanical Foghorn (fog horn)
Image of Logobax L200 (calculator)

Logobax L200 (calculator)
Image of tickets, tram (tickets)

tickets, tram (tickets)

More from Bristol Museums