Letter from the Automobile Trade Journal to Alex Bradford discussing possible companies to contact in regards to the power-take-off for Chevrolet trucks and the possibility that the installed Ford coil and condenser was improperly installed.

Client card describing work completed at the Roman Bronze Works Foundry for Mr. George H. Borst, including a job number, brief description, monetary amount, and dates associated with each entry. Pieces included: "Bas Relief of Frederick R. Griffin", "Portrait Relief" (11.25" x 17.5"), "Boy Scout" (Plaster cast; repatine), and "Child's Head" (7" x 4.5" x 5").

Client card describing work completed at the Roman Bronze Works Foundry for Mr. J. Chapman, including a job number, brief description, monetary amount, and dates associated with each entry. Pieces included: "Group of Two Figures" (2 copies), "Zieget", "Mayer", "Girl Skating", "Hockey Player", and "Girl Skater".

Client card describing work completed at the Roman Bronze Works Foundry for Mr. Isidore Binswanger, including a job number, brief description, monetary amount, and dates associated with each entry. Pieces included: "Head", "Bust of Mr. Hirsh", "Bust of Man" (Judge Rosin), and "Portrait Head".

Report issued by the U.S. Bureau of Mines on the different types of gases that are present in coal. Theories behind why these gases occur in coal are presented. This report includes tables and graphs.

From Introduction: "This report covers studies of the underfeed-type fuel bed-exemplified by underfeed stokers-and of the effect of preheated air on what transpires in both overfeed and underfeed fuel beds."