Welch Allyn 767 Wall Transformer. 11710 Ophthalmoscope 3.5 V STD. 25020A Head Lght Welch Allyn 747. The item "Welch Allyn GS 777 Wall Transformer Otoscope Ophthalmoscope With Heads" is in sale since Friday, December 01, 2017.This item is in the category "Business & Industrial\Healthcare, Lab & Life Science\Medical Instruments\Exam & Diagnostic\Otoscopes". The seller is "mmeq1965" and is located in Gloucester, Massachusetts. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, Sweden, South Korea, Indonesia, Taiwan, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Israel, New Zealand, Singapore, Switzerland, Norway, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Colombia, Costa rica.