We hold a large stock in these subjects.
Visitors welcome by appointment.
We are always purchasing books and whole collections referring to our subjects. Libraries that are willing to exchange their duplicate Math. or Science Books against new or old items from ours may correspond with us. Postage is extra. All items previously sold will be placed on my desiderate list and offered again as soon as possible. All books must be paid after receipt either by cheque in DM drawn to a German bank in DM additional bank fees or to Postal Giro Account or by International Postal Money Order.