Talk:Whiteprint

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This process is still in use by smaller drafting companies, and the machines can still be purchased, so I don't think that this article should be in the past tense. 63.87.189.17 (talk) 14:02, 26 June 2009 (UTC)

Description[edit]

from first had experience of seeing a machine work back in the 80s, I can say the description of the process is fair. the UV leaking out where the paper went through the box and the stench of ammonia made it pretty memorable. How do they get them past H&S rules these days?

The Yowser (talk) 17:04, 3 March 2010 (UTC)

Whiteprint/blueprint/blueline[edit]

‘Many blueprint shops ran ventilation ducts from the machines to outside. Smaller and mid-size blueprint machines were often outfitted with ammonia neutralizer absorbers which would absorb some of the ammonia for a period of time.’ and ‘Revision control was done in contrasting color on the blue-lines, for example red markup of a blueprint copy by the engineer, then yellow markup on the copy by the draftsman who implemented the changes on the original drawing, then brown markup by the checker, on a check-print (a brown-line). Finally, the architect or engineer, draftsman, checker and supervisor would sign the original drawing, making it a legal document.’

Presumably where the word ‘blueprint’ is used in these examples, either ‘whiteprint’ or ‘blueline’ is meant. It doesn’t appear to makes sense otherwise, unless I’ve misunderstood something.--Simon Butler (talk) 17:50, 24 September 2011 (UTC)