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Maths and Computing

Network, Oxford: sigh

Network Security & Alarms Ltd "Network Security & Alarms Ltd" burglar alarm, Oxford • Sigh. It's got a triangle on it. 'Nuff said. • Spotted: Cornmarket, Oxford, Oxfordshire, OX1, England, 2012 • Politics: In the Labour constituency of Oxford East
Network, Oxford: sigh

Robot, Camden: serf

Robot "Robot" burglar alarm, Camden • And finally, the ultimate computer: a 1980s New Romantic-style robot. (I know I've included Robot before, but this is a slightly different logo.) Wikipedia pop fact: the word robota means literally "serf labour" in Czech. • Spotted: Well Walk, Camden, London, NW3, England, 2012 • Politics: In the Labour constituency of Hampstead and Kilburn
Robot, Camden: serf

Plexnet, Bristol: computery

Plexnet Networking and Digital Technology "Plexnet Networking and Digital Technology" burglar alarm, Bristol • I have no idea what a plexnet is, but it sounds digital and computery, so I'm including it here. • Spotted: St Nicholas Street, Bristol, Avon, BS1, England, 2011 • Politics: In the Liberal Democrat constituency of Bristol West
Plexnet, Bristol: computery

Sim, Glasgow: smartphone

Sim BrookSt Bridgeton Glasgow nr G40 2AB 00299_800 "Sim" burglar alarm, Glasgow • Not just an unexplained acronym, but an early computer game (Sim City et al), and the heart of every mobile phone, whether smart or stupid. • Spotted: Brook Street, Bridgeton, Glasgow, Lanarkshire, G40, Scotland, 2012 • Politics: In the Labour constituency of Glasgow Central
Sim, Glasgow: smartphone

Amiga, Camden: picobyte

Amiga "Amiga" burglar alarm, Camden • Ancient home computer  alert – I seem to remember Amigas were popular with musicians in the early 1990s, because you could create a whole album using about one picobyte of memory. Thus adding relevance to the weird spotlight logo, which is probably meant to look like it's shining on burglars. • Spotted: Tavistock Place, Camden, London, WC1, England, 2011 • Politics: In the Labour constituency of Holborn and St Pancras
Amiga, Camden: picobyte

PC, Stratford-upon-Avon: minimalist

PC HenleySt StratfordUponAvon nr CV37 6PT 20029_800 "PC Security" burglar alarm, Stratford-upon-Avon • Three popular security tropes in one minimalist logo: police and thieves, locksmithery, and of course computers. I think we can leave political correctness out of it.  • Spotted: Henley Street, Stratford-upon-Avon, Warwickshire, CV37, England, 2012 • Politics: In the Conservative constituency of Stratford-on-Avon
PC, Stratford-upon-Avon: minimalist

Morse, Camden: sleuthing

Morse Security "Morse Security" burglar alarm, Camden • A giant felon's fingerprint on a shiny light-up bell box – how great! The name suggests the sleuthing of Inspector Morse, but of course also evokes morse code - which is a kind of computing. So I stand by including it in my maths theme. • Spotted: Greville Street, Camden, London, EC1, England, 2012 • Politics: In the Labour constituency of Holborn and St Pancras
Morse, Camden: sleuthing

Code, Lambeth: console

Code Security Systems

"Code Security Systems" burglar alarm, Lambeth • Judging by the logo, I think they mean computer code – the look is very early 1990s console game (or possibly a reject from a gay rave club). • Spotted: Beehive Place, Lambeth, London, SW9, England, 2012 • Politics: In the Labour constituency of Dulwich and West Norwood

Code, Lambeth: console

Logic, Westminster: deduction

Logic Fire & Security "Logic Fire & Security" burglar alarm, City of Westminster • Says Wikipedia: "Logic (from the Greek logikē) has two meanings: first, it describes the use of valid reasoning in some activity; second, it names the normative study of reasoning or a branch thereof. In the latter sense, it features most prominently in the subjects of philosophy, mathematics, and computer science." And thus, by use of the former definition, I deduce that it is a valid member of my maths and computing set. • Spotted: Newman Street, City of Westminster, London, W1, England, 2012 • Politics: In the Conservative constituency of Cities of London and Westminster
Logic, Westminster: deduction

Matrix Security, Brighton: array

Matrix Security "Matrix Security" burglar alarm, Brighton • Has lots of connotations, including an incomprehensible and increasingly crappy film franchise. But it's also a mathematical term, meaning a rectangular array of elements. And the word offers designers the chance to use a giant 'X', which is always good. • Spotted: Surrey Street, Brighton, East Sussex, England, 2010 • Politics: In the Green constituency of Brighton Pavilion
Matrix Security, Brighton: array

Radius, Lambeth: chariot wheel

Radius "Radius" burglar alarm, Lambeth • In classical geometry, the radius of a circle or sphere is the length of a line segment from its center to its perimeter. The name comes from the Latin radius, meaning 'ray', but also the spoke of a chariot wheel. And it's also one of the two sub-elbow arm bones, so called because it rotates around the other one, the ulna. Thanks, Wikipedia! • Spotted: Sail Street, Lambeth, London, SE11, England, 2011 • Politics: In the Labour constituency of Vauxhall
Radius, Lambeth: chariot wheel

Abacus Integrated Systems, Camden: iterations

Abacus Integrated Systems Ltd "Abacus Integrated Systems Ltd" burglar alarm, Camden • Abacus seem to have had about a million different designs and logos, most of which I found studded all over a building in Kings Cross which has just been knocked down. This one looked like the most recent iteration – quite a change from the naive abacus A of yesterday. • Spotted: Britannia Street, Camden, London, WC1, England, 2012 • Politics: In the Labour constituency of Holborn and St Pancras
Abacus Integrated Systems, Camden: iterations

Abacus, East Grinstead: depleted

Abacus "Abacus" burglar alarm, East Grinstead • Today I move on to maths and computing with the oldest computer of all, an abacus – known to ancient Mesopotamians long before burglar alarm engineers got in on the act. Loving the way the A is actually made out of a (somewhat bead-depleted) abacus on this. • Spotted: London Road, East Grinstead, West Sussex, England, 2004 • Politics: In the Conservative constituency of Sussex Mid
Abacus, East Grinstead: depleted