A "Galena 'Catwhisker' Wireless Detector" used in early crystal radio. Precision crystal detector with iron pyrite crystal, used in commercial wireless stations.
Mounted on a 3/5-inch square, .5-inch high with beveled edge. 2.5-inch glass tube secured between metal pieces. Screw on side of metal bracket can be removed to uncover the glass tube.
Horse-drawn trolleys were first used in Lancaster in 1874, but were soon replaced by electric models. The trolley ran from Penn Square out to the furthest reaches of the county. Open-car trolleys with a bench but no sides would be used during the summer and closed-car trolleys would be used during the winter. Trolley service ended in Lancaster in 1947
Neck and upper bottle decorated in glass with a fluted collar that ends with a scalloped edge. On the side, enclosed in an oval, "Ideal Milk Products co. Lancaster, PA." On the other side "One pint liquid." On the base "A.B.C. 2 - Registered" On bottom, in big letters "LMP"
Provenance
Donor states that on Jan. 1, 1929, York Sanitary Milk Co., Lancaster Sanitary Milk Co. and Ideal Milk Products Co. combined to form Penn Dairies.
