Mechanics of the Aeroplane: Study of the Principles of Flight.

Selling Quality Military History for over 30 Years. Email to militarybooks@earthlink.net or by phone to 202-333-7308 or 202-248-7448 (not normally answered). Inventory as of May 2024 about 39,000 entries. Periodic catalogues issued: Books on latest catalog not uploaded to third party vendors for about a month after posting on my site. www.rwmilitarybooks.com ----- Conditions used from best to worst: New, As New, Fine, Near Fine, Very Good, Good, Fair, Poor. Jackets are present when a second condition is given preceded by a slash. (Fine/Fine) "NAP" means No Additional Printings are listed in the book, a possible first edition. "Jacket Priced" means there is a machine printed price on the dust jacket meaning that it has not been clipped and that the book is NOT a book club edition. "BCE" means book club edition. "Ex. Lib." means that the book has markings indicating that it was once in a public institution, typically it might have exterior labels, rubber stamps, bookplates or pockets. NOTE: if you are sensitive to musty books, please make an inquiry when you place an order so that I will double check this condition. I do not normally smell my books. Of course my nose is different than yours.... ------ ORDERS USUALLY SHIPPED within 24 hours after the order is received and will have a tracking number. Most books shipped in boxes or "stayflat" cardboard envelopes . Open weekends in November & December. SHIPPING TIMES: I looked at actual shipping (in transit) times for shipments this fall (2015): Media Mail to the west coast is running 2 to 5 days. Most locations in the US the delivery is in 2 days. Priority to west coast is 2 to 3 days. - EXPRESS MAIL shipping is available by special arrangement.---- I accept Credit Cards and PAYPAL for direct purchases only. MAKE CHECKS & MONEY ORDERS PAYABLE TO: Richard P. W. Williams. Send to 3226 Woodley Rd NW Washington DC 20008-3334. Reserved books held for 7 to 10 days to allow your check to arrive. $20.00 fee for bounced checks. ------ INSURANCE: shipment at your risk unless insured. OPTIONAL INSURANCE: In the US $2.00 for orders under $50.00, $3.00 for orders under $100.00 and $1.00 for each extra $100.00. Recommend you get USPS "informed Delivery" so you know when you package is about to be delivered. Go to their website to sign-up.. ------ FOREIGN CUSTOMERS: Shipment at your risk if you do not request insurance. Credit Cards and Paypal prefered, Checks also accepted if made on a US bank (must have an ABA code). Foreign Postal Service Money Orders & Travelers Checks also OK. Cash OK but not recommended. Foreign Shipping is by First Class Air or Priority. Postal service no longer offers a surface delivery option. ------ BOOKS MAY BE PICKED UP BY APPOINTMENT ONLY. If you make any "improvments" (any changes to the condition) to a book, it is not returnable. Thanks Richard Williams, proprietor.

*Recommend you get USPS "informed Delivery" so you know when you package is about to be delivered. Go to their website to sign-up. * Hardback books mailed in boxes. All books mailed with tracking numbers. Shipping times: From DC to west coast: Media mail averages 3-4 days and Priority 2-3 days from DC to CA. Selling Quality Military History for over 30 Years. Military Books' websites http://www.rwmilitarybooks.com and http://home.earthlink.net/~militarybooks/ Email to militarybooks@earthlink.net or by phone to 202-333-7308 or 202-248-7448 (not usually answerd). Inventory as of May 2021 about 36,000 entries but only 29,500 are posted on ABE. ORDERS USUALLY SHIPPED THE SAME DAY THE ORDER IS RECEIVED. Open weekends in November & December. ------- SHIPPING IS AT YOUR RISK UNLESS INSURED. Indicate if you desire insurance in "Special Instructions". It will be assumed that you do not desire this option unless you specifically request it.----- ----- EXPRESS MAIL shipping is available by special arrangement. ----Customers may pick up by appointment only.-------- I accept PAYPAL. MAKE CHECKS & MONEY ORDERS PAYABLE TO: Richard P. W. Williams. Send to 3226 Woodley Rd NW Washington DC 20008-3334. Reserved books held for 7 to 10 days to allow your check to arrive. $20.00 fee for bounced checks. ------ OPTIONAL INSURANCE: shipment at your risk unless insured (Postal loss rate is extremely low). In the US $2.00 for orders under $50.00, $3.00 for orders under $100.00 and $1.00 for each extra $100.00. ------ FOREIGN CUSTOMERS: Shipment at your risk if you do not request insurance. Checks also accepted if made on a US bank (must have an ABA code). Foreign Postal Service Money Orders & Travelers Checks also OK. Cash OK but not recommended. Shipping charges will be quoted when you inquire about availability. Please indicate First Class or Prioirty delivery and if you want insurance. All international service is by air: Postal service no longer offers surface delivery. FOREIGN SHIPPING RATES: FIRST CLASS jumps in price substantially over 2 pounds and is good only to 4 pounds. Over 4 pounds all mail is by priority. BOOKS MAY BE PICKED UP BY APPOINTMENT ONLY. Thanks Richard Williams, proprieto