![Passengers Carried on Aerial Trips and The Science of Aerial Navigation Taught under the Personal Supervision [of] Silas Christofferson... Signed an employee of Parkhill &](https://cdn.shopify.com/s/files/1/0028/6978/8741/products/1911.jpg?v=1608343230)
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an employee of Parkhill & Co
ownership name in ink to front cover
with photographic halftone of Skaggs
No copies located in OCLC or in commerce
It was first published in French as Les forceurs de blocus in 1865
Passengers Carried on Aerial Trips and The Science of Aerial Navigation Taught under the Personal Supervision [of] Silas Christofferson... Signed an employee of Parkhill &San Francisco: Christofferson Aircraft Mfg. Co., (n. d.), circa 1912. 16 x 10. 5 cm. Handbill, printed recto only. White stock printed in black. Long pencil notation to verso, presumably detailing a streetcar trip in San Francisco ("Up Market, down Van Ness [Outer?] zone down Zone. avenue to aviation field around field many pictures. Art stood all way"). Slight crease near one corner, else remarkably well preserved. Very Good. A rare promotional piece