Leffel Internally Fired Return Tubular Scotch Marine Boiler

Leffel Internally Fired Return Tubular Scotch Marine Boiler - The Farmers' Museum
Creator: 
Title: 
Leffel Internally Fired Return Tubular Scotch Marine Boiler
Date: 
Identifier: 
F0004.2010(109)
Description: 
Transparency, Lantern Slide. Title of image is "Leffel Internally Fired Return Tubular Scotch Marine Boilers." Caption at the bottom of the slide reads, "Fig. 19 Sectional view of Leffel Scotch Marine Boiler showing heating principle which makes it such an efficient steam producer." Several other captions surround the image with arrows pointing to particular areas of the boiler. Slide appears to be hand colored. Slide is from the Cornell University, Dept. of Dairy Industry and was part of an educational slide show.
Physical dimensions: 
film size 3.25" x 4"