Vintage Electronic Calculators:

Overview of Brands


BOWMAR: 90705 (version-1)
(Page 1/1)

AKA (Label): MX70 MEMORY CALCULATOR, MODEL 90705, Product number (P/N): 90705,
Keywords/Tags: 90705
Date of intro: ~1974, Origin: USA (List),
Display: Type = Display (LED) (List),
Keyboard: KLIXON, Number of keys: 20, #Key-Black: 20,
Miscellaneous switch: [(Sigma)-(Blank) (Blank)-.],
Classification: / Pocket,
Featuring: Procent, Memories: 1,
Main Components: BOWMAR: PM907401A,
Resemblance with: (Resemblance 001),
Serie-members: BOWMAR: 90705 (version-1) (Version with all Black keys); BOWMAR: 90705 (version-2) (Version with 1 Blue key and MX-70 on back label); BOWMAR: 90705 (version-3) (Version with 1 Blue key and MX-75 on back label); BOWMAR: 90705 (version-4) (Version with 1 Red key),
Known Serial-numbers: 130926 (13092 6) (List of all S/Ns from BOWMAR)
Collector value: 8/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),


Internals (PCB bottom) / Internals (keyboard)
KB3111408210629 (KB3111, 4082, 10629)

Label, name plate / Examples of use / Bottom
S/N: 130926 (13092 6)

Protection (pouche)

Created: 30-sep-2016, Manual-update: 24-may-2019, Batch-update: 25-feb-2024             

# Pageloads since 2018: 42             

4 Pic(s),


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