Viktoria Rechenapparat

Viktoria rechenapparat (ca 1950)
Germany
dimensions...........15 x 6 x 0,3 cm
weight..................60 g
digits....................8
material................metal

single sided

Procalculo!

Procalculo!
Otto Meuter, Berlin, Germany
dimensions...........12 x 7,6 x 0,3 cm
weight..................80 g
material................aluminium
digits ...................9
single sided

including pencil and cardboard map

ABA- ADSUB

Uhlmann, Berlin, DE

Dimensions................20 x 14 cm

weight........................420 g

digits..........................11

adisuma.jpg

Correntator (2x)

Correntator (right # 029823 left # 048643 , ca 1925)
Continentale Buro_Reform Jean Bergmann (CBR), Berlin, Germany
dimensions...........7 x 10,7 x 0,3 cm
weight..................100 g
material................brass
digits ...................9
single sided
including a pencil (r)
There is a metal grooved plate that flips from addition to subtraction.

Correntator, Side view

Correntator (Patent)

Correntator, ca 1930
Continentale Buro_Reform Jean Bergmann (CBR), Berlin, Germany
dimensions...........15,5 x 12 x 0,6 cm
weight..................240 g
material................messing
digits ...................10
single sided
including a pencil, leather map and manual (French)
There is a metal grooved plate that flips from addition to subtraction.

Forward 6

Forward-6, Pocket Adding Machine
Germany
dimensions...........12 x 6 x 0,5 cm
weight..................85 g
material................aluminium
digits ...................6
single sided                                                                                    

including a pencil,plastic map, cardboard box and manual

The Pocket Adding Machine

The Pocket Adding Machine (PAM)
dimensions...........12 x 7,6 x 0,3 cm
weight..................80 g
material................aluminium
digits ...................9 (5 pounds, 2 shillings, 1 pence, 1 quarter pence)
single sided

including cardboard map

Kaloriemeter

Kaloriemeter (ca 1965)
Huttenlocher, Memmingerberg, Germany
dimensions...........15 x 6 x 0,1 cm
weight..................15 g
digits....................4
material................plastic

single sided, wth Kalorietabelle in plastic map

Summax

Summax
Addi GmbH Klee & Behrens,Hannover,  Germany
dimensions...........15,5 x 10 x 0,5 cm
weight..................210 g
material................brass

Tarema (brass)

Tarema
Tarema, Leipzig, Gemany
dimensions...........17 x 9 x 0,6 cm
weight..................220 g
material................brass
digits ...................9
single sided
including a pencil
TaReMa= TaschenRechenMaschine.

Tarema (Alu)

Tarema
Tarema, Leipzig, Gemany
dimensions...........17 x 9 x 0,6 cm
weight..................220 g
material................Aluminium
digits ...................9
single sided
including a pencil
TaReMa= TaschenRechenMaschine.

Wizard Calculating Machine (silver)(1)

Wizard Calculating Machine (ca 1960)
Wizard Werke GmbH, Bonn, Germany
dimensions...........14 x 8,2 x 0,8 cm
weight..................100 g
digits....................9
material................tin (top) and plastic (backside)l
single sided                                                                                           

Salda

Tarema Stiebel

Tarema Stiebel
Tarema, Leipzig, Gemany
dimensions...........17 x 9 x 0,6 cm
weight..................220 g
material................brass
digits ...................9
single sided
including a pencil
TaReMa= TaschenRechenMaschine.

Tarema??

Tarema
Tarema, Leipzig, Gemany
dimensions...........17 x 9 x 0,6 cm
weight..................220 g
material................brass
digits ...................9
single sided
including a pencil 
TaReMa= TaschenRechenMaschine.

Tarema (old)

Tarema
Tarema, Leipzig, Gemany
dimensions...........17 x 9 x 0,6 cm
weight..................220 g
material................brass
digits ...................9
single sided
TaReMa= TaschenRechenMaschine.

Tarema Sterling

Tarema Sterling
Tarema, Leipzig, Gemany
dimensions...........17 x 9 x 0,6 cm
weight..................220 g
material................brass
digits ...................9
single sided
including a pencil
TaReMa= TaschenRechenMaschine.

Trick

Trick (ca 1960)
Mercedes, Germany
dimensions...........15,4 x 8,1 x 0,4 cm
weight..................210 g
digits....................8
material................metal                                                               

single sided