1916 Patent Stanley Sweetheart No. 138 Universal Level Sights Circa 1926-1935

An Excellent pair of No. 138 universal level sights. Both are marked with the Stanley sweetheart trademark as well as the 1916 patent. Stanley produced these from about 1926 to the mid 1950's and this pair dates to the beginning 1/3 of that range. Designed to fit onto Stanley 's vintage wooden and metallic levels.

1-914-1292-366303581607-40