Vintage Electronic Calculators:

Overview of Brands


BUSICOM: 161 (version-1)
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AKA (Label): Busicom-161, Product number (P/N): 161,
Keywords/Tags: 161
Date of intro: jul-1966, Dimensions: 470x440x245mm,
Power: AC,
Display: Type = Display (Nixie) (List), Brand = RODAN: CD60P {16x}, Digits = 16,
Number of keys: 24,
Classification: / Desktop with Display / Memory (core),
Featuring: Square root, Logic-technology: DTL (Diode Transistor Logic), discrete components, Memory-technology: Memory (core),
Related with: BUSICOM_docu: (Schema) 161 (Pos.03); BUSICOM_docu: (Schema) 161 (Pos.06,07,08,09); BUSICOM_docu: (Schema) 161 (Pos.10),
Main Components: (Discrete components),
Serie-members: BUSICOM: 161 (version-1) (Different keys); BUSICOM: 161 (version-2) (Different keys),
Known Serial-numbers: 14511 (List of all S/Ns from BUSICOM)
Collector value: 10/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),
Info: First machine to be sold by NCM (Nippon Calculating Machine)
16-Digit capacity, independent storage register, auto decimal point and auto single entry squaring.

Internet: Link-1, Link-2: DENTAKU MUSEUM, Link-3: SCIENCE MUSEUM
Intro-Sequence #: 1






Internals (display)

Internals (keyboard)

Internals (PCB)

Internals (PCB)

Internals (backPlane)

Internals (PCB bottom)

Label, name plate / Fuse

Label, name plate
S/N: 14511

Label, name plate
Approved for Electrical Safety, City of Los Angeles

Label, name plate
The enclosure of this equipment must not be taken

Type, faceplate, trade mark

Protection (dust cover)

Created: 16-sep-2011, Manual-update: 19-jun-2020, Batch-update: 26-jan-2024             

# Pageloads since 2018: 310             

17 Pic(s),


If you have a (better) personal picture and/or missing info about any model not listed: Please do send a Mail