JOHN HOLLAND'S GOLD PENS
[Illustration]
Received the Centennial Medal from the Judges on Awards, for
"superior elasticity and general excellence." If not sold by your
Stationer, send for Illustrated Price-List to the
Scientific American, Vol. XXXVII.—No. 2. [New Series.], July 14, 1877 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures · 第 159 / 213 题