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Undated Original AD
1960 April Popular Mechanics
1962 May Popular Mechanics
1962 July The Roterian
1964 March-April Better Camping
1965 March-April Better Camping
1966 February Better Camping
1966 May Camping Guide
1969 May Popular Science
1971 March Popular Science
1973 Consumer's Guide

Brochures

1970 Brochure
1972 Brochure

User Manuals / Other

1968 User Manual
1969 Pricelist
1970 Pricelist

Patents

U.S. Patent 3,024,059
U.S. Patent 3,273,934
U.S. Patent D,209,280