Geert De Pecker 12/6/22 Geert De Pecker 12/6/22

Slide Rule Business Relation Gift JEAN MARCK (1172)

Slide Rule Business Relation Gift JEAN MARCK

Geert De Pecker 12/6/22 Geert De Pecker 12/6/22

Addiator Duplex (1171)

Geert De Pecker 12/6/22 Geert De Pecker 12/6/22

Slide Rule Aristo Nr 867U (1167)

Geert De Pecker 12/17/21 Geert De Pecker 12/17/21

Slide Rule Faber Castell Novo Duplex 62/83 (0611)

Slide Rule Faber Castell Novo Duplex 62/83

Geert De Pecker 12/6/21 Geert De Pecker 12/6/21

"Get A Receipt" Cash Register Gledhill (0204)

Geert De Pecker 7/29/21 Geert De Pecker 7/29/21

Comptometer (0033)

Geert De Pecker 5/21/21 Geert De Pecker 5/21/21

Slide Rule Advertising Courroies J. Lechat (0916)

Geert De Pecker 5/19/21 Geert De Pecker 5/19/21

Slide Rule Aristo No 967U Darmstadt (0702)

Geert De Pecker 5/15/21 Geert De Pecker 5/15/21

Artillery Slide Rule A.G. Thornton R.A. 10 (0688)

Geert De Pecker 4/11/21 Geert De Pecker 4/11/21

Slide Rule Faber Castell Electro (0831)

Geert De Pecker 4/6/21 Geert De Pecker 4/6/21

Original Odhner Mechanical Calculator (0759)

Geert De Pecker 4/4/21 Geert De Pecker 4/4/21

Addimult Pocket Adder Perfect 6 (0886)

Geert De Pecker 3/29/21 Geert De Pecker 3/29/21

Pocket Adder Addimult Sumax-E (1121)

Geert De Pecker 3/26/21 Geert De Pecker 3/26/21

Brass Sector (0381)

Geert De Pecker 3/22/21 Geert De Pecker 3/22/21

Slide Rule Aristo Scholar No 0903 VS (1126)

Geert De Pecker 3/19/21 Geert De Pecker 3/19/21

Slide Rule Albert Nestler No 37 Elektro (1125)

Geert De Pecker 3/18/21 Geert De Pecker 3/18/21

Sharp Electronic Calculator EL-230 (1123)

Geert De Pecker 3/18/21 Geert De Pecker 3/18/21

Mechanical Doublesided Pocket Calculator SUMAX-S (0689)

Geert De Pecker 3/18/21 Geert De Pecker 3/18/21

Slide Rule "Breughel" Antwerp (1127)

Geert De Pecker 3/15/21 Geert De Pecker 3/15/21

Gadget Abacus Solar Electronic Calculator (1124)