|
name
|
built
|
display
|
functions
|
circuit
|
alim
|
description
|
status
|
 |
Mayfair Sound Products 2W01B |
73, made in Japan |
Fluo (single bulbs) 8 + 1 digits |
4 op + K & floating point switch;
low batt, soft power switch with auto shut-off |
TMS0105NC, 19 trans, 22 diodes |
4x C batt, ext 3,5 mm jack |
Nice blue light, heavy calculator with reed keyboard |
Good, working |
 |
Toshiba BC-1205B |
73, made in Japan |
LED (single digits) 12+1 modules |
4 op + constant/floating switch, gauge for
battery level |
T3130, T3125, T1314, T1315 |
5x AA batt or accum, ext 3 pin 7,2V
charger/adapter |
Professional built |
Very good, working |
 |
Hitachi KK181B |
73, Made in Japan |
Fluo (single bulbs) 8+1 digits |
4 + constant/floating switch, gauge for
battery level |
HD3276P, HD3253P, 2x 6254, 7 trans |
Internal 5x ni-cd 6V, ext power/charger |
Professional magnet/reed keyboard. |
Very good, working |
 |
Tel (Tokyo Electron) Elektron Mark I |
73/74, made in Japan |
Fluo (single bulbs) 8+1 digits |
4+ % + (floating switch) |
Rockwell 15332PC |
4x AA batt or accum, ext 6V plug (-
centre) |
The lightest single digit fluorescent display
calculator |
Very good, working |
 |
Tenko model ECL-81 |
nd, made in japan |
Fluo (single bulbs) 8 digits |
4 op + k switch |
Nec D271D, uPD261C, 3x MC2547, 7 trans 19
diodes
|
4x AA, ext plug 6V |
Two LED for negative and low-batt |
Good, working |
 |
Sperry Remington 661-D |
73, made in Japan |
Fluo (single bulbs) 6 digits |
4 op (floating point switch), 12
calculation digits |
HD32154P, NEC uPD129C
|
4x AA, ext plug 6V (- centre) |
Arrow key show less significant
digits |
Good, working |
 |
Sperry Remington 819 |
74, made in Japan |
Fluo 8 digits |
4 + % + sqr |
nd |
4x AA |
Four segment zero, show up to 16 digit in two step |
Good, working |
 |
Sperry Remington 823-GT |
74, made in Japan |
Fluo 8 digits |
4 + % + T?; 16 calculation digits |
HD3654 |
4x AA, 6V ext plug (- centr) |
Arrow key show less significant
digits (up to 16 digits) |
Good, working |
 |
International |
nd |
Fluo 12 digits |
4 + % + sqr + mr + ex + (k switch) |
M58623-23P/5439 + 5 trans + 2 led |
4x AA, ext 6V jack 3,5 mm |
Red led for overflow |
Good, working |
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