1. The electrotype was done by Great Exhibition of 1851. 2. They are both made of gilt copper electrotype . 3. Like the 40 commemorative note, this note has an electrotype 50 in the watermark. 4. Nelson's Holyground recordings were released in February 2001 as " Electrotype ". 5. The WMPA Electrotype Foundry was in operation by 1894 at 316 and 318 East Onondaga Street. 6. These engravings were then used as masters for making the electrotype copies for the actual printing of the books. 7. Batteries did not have the electrical capacity needed to rapidly deposit the electrotype ( or " electro " ). 8. Electrotype was also used to manufacture matrices that could be used as moulds for individual pieces of metal type.9. The mold and its attached electrotype are removed from the solution, and the electrotype and the mold are separated. 10. The mold and its attached electrotype are removed from the solution, and the electrotype and the mold are separated.