Air Cylinder manufactured by Ingersoll-Rand Co., listed as 200 (circa 1910).

Piston Rod Nut for manufactured by Ingersoll-Rand Co., listed as 197 (circa 1910).

Piston Rod Nut for Air manufactured by Ingersoll-Rand Co., listed as 193 (circa 1910).

Air Piston Rod manufactured by Ingersoll-Rand Co., listed as 190 (circa 1910).

Piston Inlet manufactured by Ingersoll-Rand Co., listed as 182 (circa 1910).

Hurricane-Inlet Valve manufactured by Ingersoll-Rand Co., listed as 181 (circa 1910).

Hurricane-Inlet Valve manufactured by Ingersoll-Rand Co., listed as 180 (circa 1910).

Hurricane-Inlet Valve manufactured by Ingersoll-Rand Co., listed as 179 (circa 1910).

Hurricane-Inlet manufactured by Ingersoll-Rand Co., listed as 178 (circa 1910).

Air Piston manufactured by Ingersoll-Rand Co., listed as 177 (circa 1910).

Air Piston manufactured by Ingersoll-Rand Co., listed as 176 (circa 1910).

Air Piston (Bare) manufactured by Ingersoll-Rand Co., listed as 175 (circa 1910).

Air Piston, Complete (Parts manufactured by Ingersoll-Rand Co., listed as 174 (circa 1910).

Discharge Valve manufactured by Ingersoll-Rand Co., listed as 173 (circa 1910).

Discharge Valve, Complete (Parts manufactured by Ingersoll-Rand Co., listed as 170 (circa 1910).

Lock Nut manufactured by Ingersoll-Rand Co., listed as 165 (circa 1910).

Inlet Valve Cap manufactured by Ingersoll-Rand Co., listed as 164 (circa 1910).

Inlet Valve manufactured by Ingersoll-Rand Co., listed as 163 (circa 1910).

Inlet Valve manufactured by Ingersoll-Rand Co., listed as 162 (circa 1910).

Inlet Valve with Collar and Pin manufactured by Ingersoll-Rand Co., listed as 161 (circa 1910).