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| Oscilloscope CRT implosion |
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| coppice:
--- Quote from: vk6zgo on March 12, 2024, 11:23:44 pm ---In Australia, bonded face tubes were appearing in around 1962/3.---that is still "early 1960s" to me! --- End quote --- I can accurately date the TV my parents bought in 1964 in London, because it supported 625 and 405 line operation, and the first 625 line channel (BBC2) didn't start operation until April 1964. All those early 625 line TVs still had an armoured glass plate. |
| vk6zgo:
--- Quote from: coppice on March 12, 2024, 11:46:28 pm --- --- Quote from: vk6zgo on March 12, 2024, 11:23:44 pm ---In Australia, bonded face tubes were appearing in around 1962/3.---that is still "early 1960s" to me! --- End quote --- I can accurately date the TV my parents bought in 1964 in London, because it supported 625 and 405 line operation, and the first 625 line channel (BBC2) didn't start operation until April 1964. All those early 625 line TVs still had an armoured glass plate. --- End quote --- I can only go with my recollections of the time., & in this country. When I started my first 'proper" job in 1959, all the TVs had a separate armoured glass plate. By at the latest, 1963, bonded tubes appeared. |
| coppice:
--- Quote from: vk6zgo on March 13, 2024, 05:51:49 am ---I can only go with my recollections of the time., & in this country. When I started my first 'proper" job in 1959, all the TVs had a separate armoured glass plate. By at the latest, 1963, bonded tubes appeared. --- End quote --- Local safety regulations, perhaps? They can really skew the release of safety critical changes. |
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