TRI

Compagnie des Lampes

Object number: VT3452

E.-C. et Alexandre Grammont

Object number: VT3450

Compagnie des Lampes

Object number: VT3451

GEC

Object number: VT2555

E.-C. et Alexandre Grammont

Date: 1915

Object number: VT0532

Cruft Laboratory, Harvard University

Date: 1929

Object number: VT0200

Cruft Laboratory, Harvard University

Date: 1920-1929

Object number: VT0211

Cruft Laboratory, Harvard University

Date: 1922

Object number: VT0206

Cruft Laboratory, Harvard University

Date: 1922

Object number: VT0199

Cruft Laboratory, Harvard University

Date: 1925

Object number: VT0201

Cruft Laboratory, Harvard University

Date: 1925

Object number: VT0202

Cruft Laboratory, Harvard University

Date: 1929

Object number: VT0244