Stories by P. H. Jacobs

The SciencesApril 28, 1888

Inquiries regarding the Incubator

P. H. Jacobs

The SciencesJanuary 28, 1888

A Home-Made Incubator

P. H. Jacobs

The SciencesJune 4, 1887

Going into the Poultry Business

P. H. Jacobs