Color Scheme:

Matter Properties(MECHANICS)

To Study Modulus Of Rigidity By Static Method using Bartons INSIF

Object: To determine the modulus of rigidity for the material of a wire by statical method using Barton’s apparatus.

Apparatus used :
* Barton’s apparatus,
* half k.gm. wts.,
* screw guage,
* vernier calipers and
* metre scale.

Spring Constant App.

INSIF P-924
* A)     Spiral Spring: 25 mm dia & 10 cm long,
* is suspended from a chuck nut and the lower end is provided with
*
* a pointer which moves over a vertical wooden meter scale
* and also having a hook for carrying weights.

Base: all set up is mounted on a heavy metal base, INSIF
* supplied with slotted weights 50 x 5 gm.

* B)      DELUX MODEL :same as above ,
* C)      but meter scale is replaced by
* D)     a rectangular metal bar screen printed.

Study Conversion Of Mechanical Energy

Jouls Mechanical P-756 INSIF
* Body: all metal body , a wheel driven by thread & provided with counter.
* The unit is such that a metal cup rotates into another socket cup of the same size that mechanical rotation energy is converted into Heat & can be read in the thermometer fitted .

BAR PENDULUM

INSIF
* one meter long with holes at 2 inches

* with two edges with screws,/br.
* supplied with wall brackets

* types

a) iron strip

b) stainless steel made round rod with marking

Stand for Bar/ kater Pendulum

INSIF

*made of M.S steel 43" long rods
* use for bar pendulam or kater pendulam

BENDING OF BEAM APPARATUS

P-688A INSIF
* To determine the Youngs Modulus for a material from the flexure of a beam made of that material & supported symmetrically on knife edges near to its end loaded at the middle point.
* Consists: of two G. clamp with knife edge top.
* A metal chrome plate bar :of 100 cm. length & 25 mm width . A sharp knife edge with hanger is also provided which moves on the metal bar.
* A spherometer fitted on a cast iron stand(specially designed for this app.) Provided with electric contact supplied w/o weights.
* Weight Set 500 gm set(4+1) total 2.5 kg P-688A (i) INSIF


BENDING OF BEAM APPARATUS Koenig Method

P-688B INSIF
Brass Beam: 1 meter x 9 mm square. Resting on Two knife edges fitted on G clamps.
Two tilting type mirrors : provided with the app. with fitting for rod.
* A sharp knife edge with hanger is also provided which moves on metal bar.
supplied without weights


BIFILAR PENDULUM

P-688D (i) INSIF
Cast iron rectangular plate:
* of dimension 15x10x1.5 cm with six holes,
* two holes on top,
* two holes on front side and
* two holes on the third side of the top.
The plate is suspended :by means of two strings of equal lengths from a rigid support (i.e. a heavy T shaped clamp with two split chuck is provided on the heavy base).
* When the plate is suspended freely, the two strings will be equally inclined to the horizontal face of the plate.


Bartons Apparatus

P-690 INSIF
* A steel frame mounted on a heavy cast iron base with leveling screws.
* Upper end : of rod (under test) 900 mm length and 5 mm dia is clamped by a 3-jaw chuck and the
* Lower end : is clamped into the axis of a torsion drum which can be rotated by putting load in the scale pan passing over two frictionless pulley.
* Freely sliding three circular scales graduated in single degrees can be clamped at any position.
* Three pointers for clamping to the test rod are provided. Complete with three test rods, strings and two scale pans, but without weight.

BOYS LAW APPARATUS

P-691 INSIF
* It has two glass tubes, one closed at the top and other tube open whose lower ends
* are connected together by 1 meter of rubber tubing.
* Both tubes are mounted on sliding brackets with a provision to lock at any point.
* Metallic strip: with a meter scale graduated from 0 to 100 cm fitted on heavy iron base with leveling screws
without mercury provided with pressure rubber tube.


Boys Law WITH GAUGE

P-691 INSIF
* It has One pressure gauge of which lower part can be filled with Mercury, which shows pressure in the gauge when expernal air pressure is applied
* the other side of the gauge is connected together by 1 meter of tubing.
* Metallic strip: with a meter scale graduated from 0 to 100 cm fitted on heavy iron base with leveling screws
without mercury provided with pressure gauge.


Cantilever

P-699 INSIF
*Steel Bar: (100 x 18 x 0.3 cm (L x B x W) having a hook at one end.
Graduation: Metallic bar is marked with lines at a distance of 5 cm.
G Clamp: it is held horizontally by clamping the bar at table.


CONSTANT LEVEL TANK

P-711 INSIF
* It is used for Universal flow of water through calorimeter etc.
* consists of brass chromed vessel of 100 x 75 mm dia with tubes for water inlet, outlet and overflow.
* Fitted with clamp & mounted on a tripod stand.

FLY WHEEL

P-725A INSIF
* A balanced Cast Iron Wheel of 20 cm Dia & 4.4. Cm thick & steel spindle fitted on ball bearings in iron brackets.
* A pointer is fixed to one of the brackets.
* The base has 4 holes for wall mounting.


FRICTION BOARD

P-728 INSIF
* Made of wood half meter long &
* Sunmica top and
* supplied with a wooden slider with hook, trolley, pan, Weights
ii) made of soft wood Export Quality
iii) 1 meter


HARES APPARATUS

P-737 INSIF
Exp : For comparing the densities of liquids by measuring the heights of the two columns of liquid produced by applying suction to the short centre limb.
Comprising:
*
a three-limbed glass tube, with 250 mm of rubber tubing on the centre limb,
* mounted on a stand with a scale 61 cm long with the zero at the bottom.
* Overall dimensions 680 x 305 x 150 mm.

HOOKS LAW APPARATUS

P-742 INSIF
* A scale: is graduated in millimeter 14 cm. long engraved on a Perspex sheet and is mounted with elevation adjustment on a support rod.
* The steel spring: 1 cm in dia. and 3 cm long is suspended from a hook above the scale.
* Supplied with Weights

WEIGHTS FOR HOOKS LAW

INSIF
* 10 gm 3 nos

INCLINED PLANE

P-746 INSIF
* A plane board : 600 x 75 mm hinged to the base at one end and provided with a pulley for the force at other end either with glass top or polished surface.
* The upper plane : can be set at any angle by clamping the wing nut.
* Complete with graduated Al. Arc &,Iron C.P. Roller & Pan with thread.
* TYPES:
i) made of soft thick wood

DOUBLE INCLINED plane TRACK

P-747INSIF
* A planed board 600 x 75 mm hinged to the both sides of the base board of size 900 x 75 mm. The upper board is fitted with aluminum railing for smooth flow of steel balls. Both upper boards can be set at any angle by clamping the wing nuts separately. Provided with set of steel balls.


Trolley " for use in Friction Board P-748A
* made of wood with hook on one side without wheels. Size 3" x 3”.


Weights set P-748B

Wooden Block 3 x2” x1/2” P-748C

 


TROLLEY

for use in Friction Board P-748A
* size 3" x 2" x 1/2" with hook to be connected to the pan with thread

INERTIA DISC

P-751 INSIF
* Consisting of a iron disc about 150 mm diameter, 6 mm, thick size
* with arrangement for clamping a split chuck. Supplied with wall bracket.
b) Brass disc

INERTIA TABLE

P-752A INSIF
* Cast Iron stand: duly painted base having 8" dia Base and Rods having 20" height and ½" thick. Provided with leveling screw.
* Aluminum disc: of approximately 6" dia with a groove which can be suspended by a steel wire fixed at chuck provided at the centre of a frame work.
* Provided with Four masses : rectangular, square, circular & triangular.


Jaegers Apparatus

P-755 INSIF
EXP: to determine the surface tension by Jaegers method, with concentration of solution of common salt in water.
* Complete with monometer tube jointed with brass T-Tube to one end is connected with rubber tube &
* a wide mouth reagent bottle with rubber cork and other end connected with capillary tube going into a Plastic Beaker with adjustable height.
* The assembly is fitted on a wooden stand.

JOULE MECHANICAL

P-756 INSIF
* Body: all metal body , a wheel driven by thread & provided with counter.
* The unit is such that a metal cup rotates into another socket cup of the same size that mechanical rotation energy is converted into Heat & can be read in the thermometer fitted .

KATERS PENDULUM

P-757A INSIF
EXP: To determine the value of acceleration due to gravity at a place
* Steel rod of 120 cm long and 0.1 cm dia capable of two adjustable knife edges facing each other.
* Two wooden weights exactly similar to metal weights which can be slided along the bar.
I) Made of Iron
(ii) Made of Brass
(iii) S. S. Rod

STAND FOR BAR OR KATERS Pendulam

P-758 INSIF
*made of iron, 42 inches weight, chrome plated

MANOMETER GLASS INSIF P-785A

* A both side open glass U tube ( 18" x 8 mm (L x dia)) is fitted to a polished wooden base with meter scale having graduation on both sides (0-50 cm) for taking reading. with base .

MAXWELL VIBRATION NEEDLES INSIF P-786


A hollow cylindrical brass tube: 40 cm x 18 cm (length x dia) both sides graduated in millimeters (0 to 15 cm) with vernier to read 0.05 m.
* The tube is open at both ends with a small chuck(torsion head) in the middle of which is fixed a plane mirror.
* Two solid brass cylinders & two hollow brass cylinders : all of length 10 cms are provided so that when put end to end they fill the hollow tube completely.
* with metal clamp
* Supplied with wall clamp.
B) Stand for Maxwell Needle base having Rod 15” ht.

PARALLELOGRAM LAW OF FORCES APP INSIF P-845(a)


* Comprises a strong drawing board 45 x 30 cm fitted with two hooks for fixing to a wall.
* The board is supplied with two z-type pulley and
* 3 set of iron C.P. slotted weight (50 x 5 gm) but without cords.
Parallelogram Law Of Forces App. Stand type
P-845(b)
* It is having wooden s keeping it in the standing position on the table.

PENDULUM BOBS INSIF P-846


* Comprising a solid turned metal sphere with a small hook for suspension.
(A) BRASS Dia ½"
(B) BRASS Dia 3/4”
(C) Iron Dia 1”
(D) Brass Dia 1”

PENDULUM SIMPLE INSIF P-848A


* It consists of a cast iron bob of 2” dia with chuck nut for suspension of cord supplied with
* retort stand of size of base 8” x 5” .Size of rod 24” x 3/8”
* with special clamp for holding the bob.
Having base 7”x5”x16” rod

POISSION RATIO OF RUBBER APPARATUS

INSIF P-850
* Consisting of a cycle rubber tube of about one meter long &
* dia 1” fitted with a small pointer at one lowest end with hook for hanging 500 gm slotted weight and at upper end cork with a hole is fitted with clamp.
* One ½ meter long scale is attached to one of the rods where readings can be taken with the pointer.

PULLEY SINGLE/DOUBLE/TRIPLE

INSIF P-856
* A) Single/double/triplle Pulley
* B) Pulleys set of 13 with stand
* C) Pulley Z
* D) Pulley Single Clamp
* E) Pulley Three in line
* F) Pulley Plastic
* Aluminium Pulley in size
* 1" & 1.5 "
* G) Pulley in clamp

QUINCKS APPARATUS

INSIF P-876 (A)
OBJECT For S.T. of Mercury
* The method is usually used for the determination of surface tension of mercury.
* It comprises a circular metallic plate with three leveling screws.
* A glass slide plate is proved at the top of the surface.

RANKINS APPARATUS

INSIF P-876 (B)
QUICK IS ALSO KNOWN AS RANKINs Apparatus For S.T. of Mercury
* The method is usually used for the determination of surface tension of mercury.
* It comprises a circular metallic plate with three leveling screws.
* A glass slide plate is proved at the top of the surface.

RIGIDITY APPARATUS (SEARLES Pattern)

INSIF P-882
* Exp : to determine the Youngs Modulus , modulus of rigidity and Poissons ratio of the material of a given wire By Searles dynamical method (y) rigidity modulus & Poisson ratio (0) for material of a thick wire by Searles Method.
* The 30 cm long wire under test is connected to two brass rods about 30 cms long at their mid points by two screws fitted at the end s of the wire.
* The rods are suspended from hooks.
* Complete with 3 test wires
* Stand for above See Cat No. P-786)

RIGIDITY APPARATUS (DYNAMICAL METHOD)

INSIF P-883
Object: To determine the modulus of rigidity for the material of a wire by statical method using Barton’s apparatus.
* It consists of an iron rod having length 16" and diameter 1".
* The circular is graduated 15-0-15 cm.
* The circular weight with thumb screw which fits into the rods are also provided.
A) with wall bracket
* B)with circular weight fitted in Inertia table stand
C)Big stand scale, BARTONS app (See Cat No. P-690)

RISING TABLE

INSIF P-886
OBJECT: TO DETERMINE THE SURFACE TENSION OF A LIQUID(WATER) BY CAPILLARY RISE METHOD An aluminum table : 10 cm dia with a stem of 12 cm can be lowered or raised to a desired height & can be tightened with a thumb screw(course moment) & fine adjustment is provided by a flush in arrangement, Fitted on a circular base : with 3 leveling screws.
* Capillary tube clamp : a metal frame , on which 3 capillary glass tubes of 10 cm long having different internal dia, are clamped with the help of small metal brackets.
* The 9 mm rod : is also attached to a metal plate,so that the complete clamp can be held in any position.

Bending O Beam Stand Type

P-688C INSIF
* A metal chrome plate bar of 100 cm. length & 25 mm width .
* A sharp knife edge with hanger is also provided which moves on the metal bar.
* Two knife edges :are fitted on stand 15” height.
supplied without weights

Bifilar Pendulum with Stand

One Meter long with heavy base. P-688D(ii) INSIF
* Cast iron rectangular plate: of dimension 15x10x1.5 cm with six holes, two holes on top, two holes on front side and two holes on the third side of the top.
* The plate is suspended :by means of two strings of equal lengths from a rigid support (i.e. a heavy T shaped clamp with two split chuck is provided on the heavy base).
* When the plate is suspended freely, the two strings will be equally inclined to the horizontal face of the plate.


Lever Apparatus

P-688E (i) INSIF
* Having aluminum strip ½ meter long screen printed 25-0-25 cm
* with knife edge at the centre two plastic hooks , which move along the scale are also proved .
* Fitted on metal base.

Lever Apparatus special

Lever Apparatus P-688E (ii) INSIF
* it has two pans suspended from two aluminum pulleys of 2” dia
* fitted on metal stand.

 


Bi-Prism Assembly complete with Stainless Steel 1.5 meter rods

P-689C INSIF
Consists of following app.:-
(i Bi-Prism Holder : fine radial motion by a fine pitch screw.
(ii) Lens Holder spring type : for equal opening & closing of both sides.
(iii) Micrometer Eye Piece : Rams den Eye Piece, 10 x, is carried on a slider which moves along a micrometer screw, perfectly made.
(iv) Optical Slit : Ground S.S. Jaws having spring action for opening .
(v) Fresbel Bi-Prism Size : 40 mm x 32 mm

Fly Wheel With Revolution Counter

P-725B INSIF
* A balanced Cast Iron Wheel of 20 cm Dia & 4.4. Cm thick & steel spindle fitted on ball bearings in iron brackets.
* A pointer is fixed to one of the brackets.
* The base has 4 holes for wall mounting.
* A Revolution counter 4 digit mechnical is fixed, which move one digit when wheel completes one rotation, The counter can be made zero with press button


WEIGHTS FOR FLY WHEEL

P-725C Fly Wheel
* Cast Iron weights ranging 10gm, 20gm, 50gm to 100gm.


G. Clamp

P-729 INSIF
a) Iron 4”
b) 5” Large
c) 6”


INCLINED PLANE export Quality

P-746 (ii)INSIF
* Very Soft wood
* A plane board : 600 x 100 mm hinged to the base at one end and provided with a pulley for the force at other end either with polished surface.
* The upper plane : can be set at any angle by clamping the wing nut.
* Complete with graduated Al. Arc &,Iron C.P. Roller & Pan with thread.
ii) 4” export Quality

 

INCLINED PLANE Engineering model

P-746 (iii)INSIF
* Very Heavy & sturdy quality with metal framing
* A plane board : 600 x 100 mm hinged to the base at one end and provided with a pulley for the force at other end either with r polished surface.
* The upper plane : can be set at any angle by clamping the wing nut
* Trolleys:
a) having metal plate
b) having polished surface
c) having rough base
d) having glass base .
* Complete with graduated Al. Arc &,Iron C.P. Roller & Pan with thread.
iii) Engineering model metal frame

 


Inertia Bar

P-752B INSIF
* A solid Brass rod of 30 cm x 1.5 cm with centre split chuck for clamping & suspending.
* With wall bracket.


Inertial Balance

P-752C INSIF
* A METALLIC BALACEN having provision for weight
* provided with clamp



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