Scientific supplies and services
Chemical suppliers, equipment suppliers, etc (ad hoc links, A- Z)
Chemical suppliers, equipment suppliers, etc (ad hoc links, A- Z)
For non-technical enquiries about this web site and the Research Cooperative, please contact Peter Matthews by email (info att researchco-op dott net).
The layout of this site, and all contributions by Peter Matthews (PJM), are copyright of The Research Cooperative 2001-3 (all rights reserved). The copyright for original texts or images by other contributors is retained by each contributor concerned. Material presented on this website may be copied for personal use and reference, or for teaching purposes.
Button battery equivalents and supply - especially useful for camera owners when choosing replacement batteries.