Bulletin 412: Tests of Run-of-Mine and Briqueted Coal in a Locomotive Boiler.

Ray, Walter T. & Henry Kreisinger.

Price: $15.00

---

GPO, Washington, DC: Dept. of the Interior/US Geological Survey, 1909. 8vo. 32 pp. Light fading to wraps. Dampstain to bottom corner. Fourteen tests made at various rates of combustion. B/w diagrams and charts. Very Good Wraps (Item ID: 11509)

---

Terms of Sale: Returns are accepted within 10 days of purchase date and must be returned in original condition. For domestic orders we accept Visa, Mastercard, Checks, Paypal and Money Orders.

For international orders we accept Visa, Mastercard, and Paypal only. Institutions may be billed with prior consent.

Shipping Terms: We will confirm shipping rates on oversize volumes, International and Express orders before billing. We automatically insure packages over $100 at cost. Email us if you would like insurance on smaller orders.