Operating and Maintenance Instructions Manual for Briggs and Stratton Gasoline Motor Model Series 60500-60506; 61500-61506; 80500-80596 and 81500-81596. Early 1960s. Dimensions are: 8 1/2" width by 11" height. No copyright notice and no copyright registration; this document is Public Domain under Rule 5 of the U.S. Copyright Statutes. Ebook created by Gerard Arthus. http://OpenEducation.org Go to the above site to find out more about the digitization of this item and the on-going attempt to help make 'Knowledge' and 'Information' available to everyone, anywhere, at any time, for no cost. There are many forces at work which are attempting to turn 'Public Domain' information into a commodity which some can milk for a profit. This parasitic use of information which should be freely available for all to access is an Intellectual Crime and should not be tolerated.