A Manual of the Principal Instruments used in American Engineering and Surveying, manufactured by...
- W. & L.E. Gurley (Empresa)
- Troy (N.Y.) : W. & L.E. Gurley, 1908
- Libros
Engineers and Surveyors : instruments of precision : [Catálogo]
- C.L. Berger & Sons (EEUU)
- Boston : C.L. Berger & Sons, [1903]
- Libros
Price list of Engineering, Mining and Survening instruments manufactured by Young & Sons
- Young & Sons (Philadelphia)
- Philadelphia : Young & Sons, 1903
- Libros