Markham - The Chicago Air Rifle.
With thanks to Trev for the first two pics.
With thanks to Sean Campbell, imaging manager of the Buffalo Bill Centre of the West in Cody, Wyoming, for permission to post these pics of guns held in the Cody Firearms Museum. The blurb accompanying these guns follows.
Accession Number: 1993.8.108
Date : 1884-1895
Dimensions: L: 32 in, Barrel length: 9.75 in, H: 5.25 in
Inscription: left side of butt: Chicago Air Rifle/ Markham's Patent
Synopsis: firearm- airgun- Markham Air Rifle Co., Plymouth, MI- wood- brass- steel- left side of butt: Chicago Air Rifle/ Markham's Patent- Chicago Air Rifle- .177
Accession Number: 1993.8.107
Date : 1884-1895
Dimensions: L: 32 in, Barrel length: 9.75 in, H: 5.25 in
Credit Line: Gift of Thomas K. Hutchinson
Inscription: left side of butt: Chicago Air Rifle/ Markham's Patent
Synopsis: firearm- rifle- airgun- Markham Air Rifle Co., Plymouth, MI- wood- brass- steel- left side of butt: Chicago Air Rifle/ Markham's Patent- Chicago Air Rifle- .177