well, and the buck- Measures have been taken to secure apa- E. H. Penfield, Middletown, Conn. Im- ducts, and that in a superior manner, the steel proved metallicGrummet. Patented Sept. 19, establishment at Harlem and he has lately A A, is the frame of the carrier. It is | 1848. Claims the making a… … mond coils. This form, says the Civil Engi- Refrigerators. — = = Thomas B. Smith, Philadelphia, Pa., for neer and Architect’s Journal, has the advan- Improvement in Refrigerators. Patented Sept. tage of giving a signal free from the constant Y. It presents‘some new features in princi- curved, it…
Internet Archive · Public domain. Free to use for anything.
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer04inte-482-252.webp)
