Free seminars at CalumetApril 26, 2012|Brian Worley|Deals, Events & exhibitions 2/May – London Calumet will be holding free seminars at it’s Drummond Street store in London on 2/May. There’s plenty of seminars to keep most tastes amused and it’s all free. Click the seminar schedule below to find out more from Calumet’s site. Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Name* Email* Website Save my name, email, and website in this browser for the next time I comment.