LOGARITHMS OF GEAR RATIOS manufactured by The Industrial Press, listed as 693830 (circa 1924).

MORSE TWIST DRILL AND MACHINE COMPANY DECIMAL EQUIVALENTS OF DRILL SIZES manufactured by Morse Twist Drill and Machine Company, listed as 413385 (circa 1915).

MORSE TWIST DRILL AND MACHINE COMPANY IX manufactured by Morse Twist Drill and Machine Company, listed as 161417 (circa 1915).

Cylinder (Imre with lug>) manufactured by Ingersoll-Rand Co., listed as 13-A (circa 1910).

Set of piping for Attachment Suspension Rod manufactured by Ingersoll-Rand Co., listed as 324-A (circa 1910).

Eye Bolt and Nut manufactured by Ingersoll-Rand Co., listed as 309-A (circa 1910).

Cylinder Bore 1 inch manufactured by Ingersoll-Rand Co., listed as 20-SR (circa 1910).

Throttle Handle manufactured by Ingersoll-Rand Co., listed as M38 (circa 1910).

Throttle Handle manufactured by Ingersoll-Rand Co., listed as M59 (circa 1910).

Throttle Handle Cap manufactured by Ingersoll-Rand Co., listed as M58 (circa 1910).

Rivet Set Spring Rivet Set manufactured by Ingersoll-Rand Co., listed as B-66 (circa 1910).

Throttle Valve manufactured by Ingersoll-Rand Co., listed as E-66 (circa 1910).

Cylinder No. 50 Rivet Set manufactured by Ingersoll-Rand Co., listed as B66 (circa 1910).

Strainer Complete manufactured by Ingersoll-Rand Co., listed as E66 (circa 1910).

Handle, Nipple and manufactured by Ingersoll-Rand Co., listed as 3264-P (circa 1910).

Valve Box Top Dowel 19-HAl manufactured by Ingersoll-Rand Co., listed as 47-HC1 (circa 1910).

Cylinder Clamp manufactured by Ingersoll-Rand Co., listed as 18-HA1 (circa 1910).

Valve Box Cap manufactured by Ingersoll-Rand Co., listed as 46-HC1 (circa 1910).

Valve Box Bottom manufactured by Ingersoll-Rand Co., listed as 45-HC1 (circa 1910).

Cylinder Bushing 44-HAl manufactured by Ingersoll-Rand Co., listed as 12-HA1 (circa 1910).