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Tele-snaps

Tele-snaps is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Tele-snaps rather than just read about it. In short: Tele-snaps (often known as telesnaps) were off-screen photographs of British television broadcasts, taken and sold commercially by John Cura (born Alberto Giovanni Cura in Clapham, South London, England; 9 April 1902 – 21 April 1969). From 1947 until 1968, Cura ran a business selling the 250,000-plus tele-snaps he took.

Tele-snaps — main illustration
Tele-snaps — illustration

Key takeaways

  • Tele-snaps belongs to science; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect Tele-snaps to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of Tele-snaps from memory before moving on to harder problems.

Reference excerpt

Tele-snaps (often known as telesnaps) were off-screen photographs of British television broadcasts, taken and sold commercially by John Cura (born Alberto Giovanni Cura in Clapham, South London, England; 9 April 1902 – 21 April 1969). From 1947 until 1968, Cura ran a business selling the 250,000-plus tele-snaps he took. The photographs were snapped in half of a normal frame of 35mm film, at an exposure of 1/25th of a second. Generally around 70–80 tele-snaps were taken of each programme. They were mostly purchased by actors and directors to use as records and examples of their work before the prevalence of videocassette recorders. For many early programmes tele-snaps are the only surviving record of their appearance. From the 1990s onwards, tele-snaps have often been used by groups of fans to recreate lost Doctor Who episodes, creating "reconstructions" by marrying the images to fan-recorded off-air soundtracks of the episodes.

History

From an early age, Cura had been interested in electronics and photography, developing a reputation among his family as a "Heath Robinson inventor". In June 1946, the BBC resumed its television service following the hiatus imposed by the Second World War. Cura, recently demobilised from the RAF, combined his twin passions of photography and electronics and began to experiment with developing a camera that could take pictures from a television screen. He eventually came up with a mechanism that took half-frame 18×24 mm images on 35 mm film (i.e. the same format as in 35 mm motion picture cameras), at a speed of 1/25th of a second. Once satisfied with his process, Cura wrote to the BBC on 11 September 1947 enclosing samples of his work and requesting permission to exploit the images commercially. Cura's request caused considerable consternation in the BBC's legal department who were concerned about copyright. Ultimately, the BBC concluded that a television image was not covered by existing copyright law and replied to Cura giving him permission to proceed but to "only photograph the television image of individual artists who have instructed you to do so prior to their television appearance", and not to "give or sell the photographs to anyone other than the artist in question". Cura often ignored this restriction, however, frequently sending tele-snaps to artists on spec in the hope of attracting business from them. Many of his clients were BBC programme makers who found his photographs useful records of their work. In 1951, Cura came once again to the attention of the BBC's lawyers when he requested that he be allowed to photograph entire BBC productions, writing that his service "enables you to have a permanent pictorial record for valuable reference in years to come, of series which have a brief life of an hour or so and are then lost forever". The BBC had also been contacted by several newspapers at this time, looking for permission to use Cura's tele-snaps—especially after it transpired that Cura had taken the only image of Oxford's boat sinking during that year's Boat Race between Oxford and Cambridge. The BBC made petitions to the Houses of Parliament to have the Copyright Acts overhauled to give them legal certainty regarding the issue. Although a revised Copyright Bill was enacted in 1956, it did little to curtail Cura's activities. Cura's business was at its peak in the mid-fifties, his business having doubled overnight following the launch of ITV in 1955. A second television set was purchased and a second camera constructed to enable Cura to photograph both channels. Cura also enjoyed success with two best-selling books on improving television reception and correcting picture faults, which were illustrated with his tele-snaps. He also appeared on the BBC's television panel game show What's My Line?. Celebrity clients of the tele-snaps service included Benny Hill and the Beverley Sisters. By 1959, Cura claimed to have taken over 250,000 tele-snaps and that sets of his tele-snaps had been "presented to and graciously accepted by the Royal Family; Their Majesties the King of Denmark; the late King of Norway; Queen Juliana of the Netherlands; Ex-president Auriol of France; Earl Attlee; Sir Winston Churchill; Mr Charles Chaplin; Mrs Eleanor Roosevelt" as well as a wide range of newspapers and periodicals. However, when Cura raised the prices for his service in 1964, the BBC ordered a review of the tele-snap service, which at this stage was costing them £1,300 per annum, and, with many programmes now routinely recorded on film or video, the business began to decline. John Cura continued to take tele-snaps right up within a few months of his death in 1969 from colon cancer. His widow offered her late husband's collection of tele-snaps to the BBC but was turned down. It is believed that they were subsequently destroyed. However, many copies of tele-snaps survive on broadcasters' production files and in the private collections of many of the artists and technicians whose work Cura photographed.

Cultural significance In the early days of television, the means of making recordings of television programmes were limited and programmes were, in the main, transmitted live. This began to change as techniques for recording programmes onto film (telerecording) and, later, videotape were developed in the 1950s. Even after the technology for recording programmes had become the norm, it was a common practice, due to a combination of the costs of storage and restrictions on broadcasting repeats, for UK broadcasters to wipe programmes after transmission. As a result, John Cura's tele-snaps are often the only surviving record of many lost programmes from the early years of television. Tele-snaps have been used to reconstruct lost television shows by marrying up the tele-snaps with audio recordings of missing shows to create a slide-show backed by the programme's soundtrack. Most notably, this technique has been employed, on an amateur, not-for-profit basis, by some enthusiasts of the British science fiction series Doctor Who, which has nearly a hundred missing episodes. Some professional reconstructions using tele-snaps have also been created, including:

… excerpt ends here. Continue reading the full article.

Worked examples

Example 1 — a first encounter with Tele-snaps

Start with the simplest possible case. Write down what Tele-snaps claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Tele-snaps before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Tele-snaps ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Tele-snaps

In research
Tele-snaps appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses Tele-snaps in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
Tele-snaps is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1947 establishments in the United Kingdom, 1947 introductions, 1968 disestablishments in the United Kingdom, so understanding it makes those chapters shorter.
In everyday life
Look for Tele-snaps outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.
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How to study Tele-snaps in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Tele-snaps means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain Tele-snaps out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Tele-snaps in simple terms?

Tele-snaps (often known as telesnaps) were off-screen photographs of British television broadcasts, taken and sold commercially by John Cura (born Alberto Giovanni Cura in Clapham, South London, England; 9 April 1902 – 21 April 1969). From 1947 until 1968, Cura ran a business selling the 250,000-pl…

Why does Tele-snaps matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Tele-snaps?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Tele-snaps.

Tags

  • 1947 establishments in the United Kingdom
  • 1947 introductions
  • 1968 disestablishments in the United Kingdom
  • British inventions
  • Lost television shows
  • Photography by genre
  • Television in the United Kingdom
  • Television preservation
  • Television technology

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