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- Company: The James Leffel & Co.
Title: Leffel Engines - Boilers
Published: 1873?
- Description: Good depictions, vertical and horizontal boilers with corliss valves, specifications
- Size: 5" x 8 3/4"; 28 pages
Item: #169 - $17.00
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- Company: The James Leffel & Co.
Title: The Bookwalter Engine
Published: 1893
- Description: Many excellent engravings and descriptions, vertical boilers, water turbines, mills and prices
- Size: 6 3/4" x 10"; 52 pages
Item: #170 - $29.00
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- Company: The James Leffel & Co.
Title: Bookwalter Engines
Published: Flyer, 1893
Description: Excellent description of 10 HP return flue boiler with corliss valve
- Size: 6 3/4 x 10", 2 pages
Item: #171 - $2.00
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