Electrosound Capacitance Substitution Box.

DC - Direct Current

rubber - Synthetic rubber is any artificial elastomer, usually a polymer, and is used as a substitute for natural rubber.

rubber - Natural rubber is an elastomer derived from the latex containing sap of some plants.

Set - a group of items usually related to one another. Some objects cannot function without the complete set of items.

Sturdy - something hat is very stable and is solidly built.

Rapid have established themselves as a leading online supplier of electrical products, cables, tools, electrical components and educational resources. Through their website you can purchase a variety of meters and resistors, batteries, electrical sockets, fuses and circuit breakers, communications cables, miniature power tools, small hand tools, rivets, tapes and adhesives, office equipment and educational books and equipment. As well as selling to the general public their extensive product selections means they also sell to trade customers. They also have great links with educational customers supplying products to many schools, colleges and universities. They also offer a great turnaround on delivery meaning that your products can be with you the very next day. Some of the top brands that they stock include Recom, Draper, Bosch, Hammond, Duracell, Kingbright, Arcol and Neutrik.