Spaq Labs

Magnification	50x
Model Name/Number	SPAQLABS
Country of Origin	Made in India

The
resistors
are
of
manganin
coils
bridge
wire
is
accurately
 calibrated.
Vernier
is
attached
to
the
sliding
contact
and
fine
 slow
motion
available
mercury

contacts
are
fitted.
Length
of
 the
slide
wire
is
30
cm.
Resistance
values
are
0.1,
0.2,
0.4,
 0.8,
1.6,
3.2,
6.4,
12.8
and
 
0.15
ohm
for
30
cm
slide
wire.
 Range
of
resistance
measurable

Country of Origin

Made in India

Country of Origin

Made in India

AIM꞉
Measurement
of
unknown
resistance
using
Carey‑Foster's
Bridge

 

Specificatios꞉

 

The
 substantial
 
 two/
 four‑gap
 bridge
 has
 broad,
 plated
 brass
 strips
 mounted
 on
 a
 thick
 MDF
 LAMINATED
BOARD

base.

Large
plated
brass
terminals
with
4
mm
sockets
are
provided
to
reduce
 unwanted
resistance
to
a
minimum
and
the
end
gaps
are
closed
by
removable
plated
brass
strips
which
 are
held
in
position
by
the
terminals.
The
whole
board
is
fitted
on
a
thick
wooden
frame
to
avoid
bend
due
 to
time.
one
meter
long
meter
scale
is
fitted
on
one
side
with
one
meter
long
constantan
resistance
wire.

 

Apparatus
To
Be
Required

 

a)
 An
Unknown
Resistance

 

B)
 A
Known
Resistance(variable)

 

C)
 A
Galvanometer

 

D)
 A
Very
High
Resistance
Of
The
Order
Of
15000
To
Protect
The
Galvanometer.

 

E)
 A
Dry
Cell

 

F)
 A
Plug
Key

 

G)
 A
Meter
Bridge
With
Jockey

 

H)
 A
Sorting
Plate

 

I)
 A
Copper
Strip

Country of Origin

Made in India

Body
 ꞉

Metallic
Tube
18
Inch
Long
Having
50
Mm

 

Dia
Painted
Fitted
With

 

Objective
 ꞉

Achromatic
/
Non
Achromatic
50
Mm
Dia
 Focal
Length
176
Cm

 

Eye
Piece
꞉

10
X
Ramsden

 

Rack
&
Pinion
꞉
BRASS
 The
Telescope75
mmm
dia
LENS

 

Image
 ꞉

A
Inverted
Image
Is
Formed

Brand	SPAQALBS
Country of Origin	Made in India