From Aero Digest, April, 1935:
The Glenn L. Martin Company, Baltimore, Maryland
• President: Glenn L. Martin. Vice-president and Assistant General Manager: L. C. Milburn. Chief Engineer: B. C. Boulton.
Fifty-place closed high-wing flying boat.
Four Pratt & Whitney twin-row Wasp (geared) engines, 800 horsepower each. Span 130 feet. Length overall 90 feet 10.5 inches. Height overall 24 feet [...]
Thursday, April 10th, 2008
The Martin MB-1 or Glenn Martin Bomber (GMB) was the first U.S.-designed bomber procured by the U.S. Army in quantity in the World War I era. The Martin GMB was first flown on Aug. 15, 1918, and nine of the 10 aircraft ordered were completed before the end of WWI. The MB-1’s primary mission was [...]
Thursday, April 10th, 2008
The B-10 was the first USAAC all-metal monoplane bomber to be built in numbers. Its innovations included: internal bomb storage, retractable landing gear, a rotating gun turret, and enclosed cockpit. It was much faster than its contemporary biplane bombers and as fast as most fighters of the day. The USAAC’s order of 121 B-10s [...]