http://tech.groups.yahoo.com/group/microscopehobby/ microscope fun/hobby Fri, 27 Nov 2009 23:07:22 GMT John http://tech.groups.yahoo.com/group/microscopehobby/message/4905 http://tech.groups.yahoo.com/group/microscopehobby/message/4905 They seem to be selling as storax now ri 1.68. John Fri, 27 Nov 2009 20:11:09 GMT Raymond http://tech.groups.yahoo.com/group/microscopehobby/message/4904 http://tech.groups.yahoo.com/group/microscopehobby/message/4904 Tony, thanks for the update; it is becoming clear that this batch of styrax is different from the stuff I bought a few years ago. I am tempted to order some at Fri, 27 Nov 2009 17:36:19 GMT leszekwolnik http://tech.groups.yahoo.com/group/microscopehobby/message/4903 http://tech.groups.yahoo.com/group/microscopehobby/message/4903 Hi Tony Congratulations on achieving the result! I would counsel a little against trying to get to the same point even faster as there may be a possibility Fri, 27 Nov 2009 16:37:30 GMT TONY PATTINSON http://tech.groups.yahoo.com/group/microscopehobby/message/4902 http://tech.groups.yahoo.com/group/microscopehobby/message/4902 The jar says 'Styrax Gum' and it certainly is sticky! Yes, it smells quite pleasant in a 'resiny' sort of way. Brunel tell me their supplier is Pangea, a uk Fri, 27 Nov 2009 10:37:01 GMT John http://tech.groups.yahoo.com/group/microscopehobby/message/4901 http://tech.groups.yahoo.com/group/microscopehobby/message/4901 On styrax I did a little research after off list contact with Raymond. Seems there is styrax and styrax much depends on where it came from. If you have the Fri, 27 Nov 2009 10:25:51 GMT John http://tech.groups.yahoo.com/group/microscopehobby/message/4900 http://tech.groups.yahoo.com/group/microscopehobby/message/4900 No number. It's a leitz part that came in a holder that makes it look a little like a lollipop with a short stick. Having said that though achromats should be Fri, 27 Nov 2009 09:51:17 GMT TONY http://tech.groups.yahoo.com/group/microscopehobby/message/4899 http://tech.groups.yahoo.com/group/microscopehobby/message/4899 Sucess! All the mounts are nice and hard now. The answer seems to be that it takes in the region of 8 - 11 hours at 90C to harden this particular batch of Fri, 27 Nov 2009 07:28:41 GMT david barriball http://tech.groups.yahoo.com/group/microscopehobby/message/4898 http://tech.groups.yahoo.com/group/microscopehobby/message/4898 Hi, This green filter does it have number? Thanks, David Thanks for the info David. Both are labelled "test slide". The cover glass thickness of 0.17mms is Thu, 26 Nov 2009 21:19:29 GMT Dora Smith http://tech.groups.yahoo.com/group/microscopehobby/message/4897 http://tech.groups.yahoo.com/group/microscopehobby/message/4897 It really doesn't matter what you clean glass slides with. I use soap! Yours, Dora Smith Austin, TX tiggernut24@... ... From: John To: Thu, 26 Nov 2009 21:19:29 GMT Dora Smith http://tech.groups.yahoo.com/group/microscopehobby/message/4896 http://tech.groups.yahoo.com/group/microscopehobby/message/4896 Oh, I see. Not ordinary glass slides! Yours, Dora Smith Austin, TX tiggernut24@... ... From: John To: microscopehobby@yahoogroups.com Sent: Thursday, Thu, 26 Nov 2009 21:10:26 GMT John http://tech.groups.yahoo.com/group/microscopehobby/message/4895 http://tech.groups.yahoo.com/group/microscopehobby/message/4895 Off topic a little but leitz and other recommended xylene for objectives etc. This seems to be down to a "fact" that cedar oil isn't soluble in alcohol. More Thu, 26 Nov 2009 20:48:16 GMT Richard Carter http://tech.groups.yahoo.com/group/microscopehobby/message/4894 http://tech.groups.yahoo.com/group/microscopehobby/message/4894 John, I'd recommend against xylene for de-oiling objectives.  It could dissolve the lens cement, perhaps.  For de-oiling both objectives and slides I use Thu, 26 Nov 2009 20:44:43 GMT Richard Carter http://tech.groups.yahoo.com/group/microscopehobby/message/4893 http://tech.groups.yahoo.com/group/microscopehobby/message/4893 John, Since you made reference to the Sterrenburg paper, I'll take the taxonomy one step further.  Sterrenburg is quite correct in supporting the argument of Thu, 26 Nov 2009 20:34:18 GMT John http://tech.groups.yahoo.com/group/microscopehobby/message/4892 http://tech.groups.yahoo.com/group/microscopehobby/message/4892 How do you all do this? I clean objectives and condensers with xylene when I 1st get them but afterwards just wipe of the excess with a lens tissue. Slides are Thu, 26 Nov 2009 20:28:50 GMT John http://tech.groups.yahoo.com/group/microscopehobby/message/4891 http://tech.groups.yahoo.com/group/microscopehobby/message/4891 Thanks for the info David. Both are labelled "test slide". The cover glass thickness of 0.17mms is also marked on them. The small round flatters and garnette