between 1884 and 1922
Positives
2
between 11 January 1912 and 15 November 1924
Dossier
1
between 29 October 1908 and 29 October 1928
Dossier
1
5 January 1920
Letter
7
4 February 1920
Patent
3
25 June 1920
Internal communication
1
31 August 1920
Patent
1
31 August 1920
Patent
1
7 October 1920
Patent
2
3 November 1920
Internal communication
1
14 December 1920
Service order
1
December 1920
Circular
4
31 December 1920
Service order
4
between 1 March 1920 and 1 May 1920
Price lists
2
July 1920
Printed price list
16
August 1920
Printed price list
3
September 1920
Printed price list
2
September 1920
Printed price list
2
September 1920
Printed price list
20
October 1920
Printed price list
2
between 3 November 1920 and 13 December 1920
Printed price list
36