India, April 25 -- How did a Finnish company manage to design a phone that was so hardy, it could fall into a stairwell, swirl about in a washing machine, spend years in a box, and still keep ticking?

The Nokia 3310 was launched in 2000 with a promise of "fun, friendly, durable". It remains a certain generation's best-loved device.

What went into the making of it? What else did the company dream up? There's trivia, history and prophetic glimpses of the future, in a digital archive launched this year by Anna Valtonen, the company's former head of design research and foresight, as a tribute to a workplace she loved.

Nokia phones ceased to exist, except as a brand name, in 2014. The phone-manufacturing business was acquired by Microsoft t...