<s>
Mailüfterl	B-Device
is	O
a	O
nickname	O
for	O
the	O
Austrian	O
Binär	O
dezimaler	O
Volltransistor-Rechenautomat	O
(	O
binary-decimal	O
fully	O
transistorized	O
computing	O
automaton	O
)	O
,	O
an	O
early	O
transistorized	O
computer	O
.	O
</s>
<s>
Other	O
early	O
transistorized	O
computers	O
included	O
TRADIC	B-Device
,	O
Harwell	B-Device
CADET	I-Device
and	O
TX-0	B-Device
.	O
</s>
<s>
Mailüfterl	B-Device
was	O
built	O
from	O
May	O
1956	O
to	O
May	O
1958	O
at	O
the	O
Vienna	O
University	O
of	O
Technology	O
by	O
Heinz	O
Zemanek	O
.	O
</s>
<s>
Heinz	O
Zemanek	O
had	O
come	O
to	O
an	O
agreement	O
with	O
Konrad	O
Zuse	O
,	O
whose	O
company	O
Zuse	O
KG	O
would	O
finance	O
the	O
work	O
of	O
Rudolf	O
Bodo	O
,	O
who	O
helped	O
build	O
the	O
Mailüfterl	B-Device
,	O
also	O
that	O
all	O
circuit	O
diagrams	O
of	O
the	O
Z22	B-Device
were	O
supplied	O
to	O
Bodo	O
and	O
Zemanek	O
,	O
and	O
that	O
after	O
the	O
Mailüfterl	B-Device
project	O
Bodo	O
should	O
work	O
for	O
the	O
Zuse	O
KG	O
to	O
help	O
build	O
the	O
transistorized	O
Z23	B-Device
.	O
</s>
<s>
The	O
nickname	O
was	O
coined	O
by	O
Zemanek	O
:	O
Even	O
if	O
it	O
cannot	O
match	O
the	O
rapid	O
calculation	O
speed	O
of	O
American	O
models	O
called	O
"	O
Whirlwind	B-Device
"	O
or	O
"	O
Typhoon	B-General_Concept
"	O
,	O
it	O
will	O
be	O
enough	O
for	O
a	O
"	O
Wiener	O
Mailüfterl	B-Device
"	O
(	O
Viennese	O
May	O
breeze	O
)	O
.	O
</s>
<s>
The	O
computer	O
has	O
3,000	O
transistors	B-Application
,	O
5,000	O
diodes	O
,	O
1,000	O
assembly	O
platelets	O
,	O
100,000	O
solder	O
joints	O
,	O
15,000	O
resistors	O
,	O
5,000	O
capacitors	O
and	O
about	O
of	O
wire	O
.	O
</s>
<s>
The	O
machine	O
was	O
comparable	O
in	O
calculating	O
power	O
to	O
what	O
were	O
then	O
considered	O
small	O
vacuum-tube	B-Device
computers	I-Device
.	O
</s>
<s>
Transistors	B-Application
,	O
invented	O
seven	O
years	O
before	O
and	O
just	O
beginning	O
to	O
be	O
available	O
commercially	O
,	O
were	O
very	O
difficult	O
to	O
obtain	O
in	O
quantity	O
at	O
any	O
price	O
,	O
but	O
Zemanek	O
received	O
a	O
commitment	O
for	O
1,000	O
rather	O
slow	O
hearing-aid	O
transistors	B-Application
,	O
and	O
Philips	O
finally	O
shipped	O
a	O
total	O
of	O
4,000	O
high-quality	O
transistors	B-Application
to	O
the	O
Austrians	O
.	O
</s>
