Educational 3 15

JKA-50 : with foot Lever.

JKA-68 : Set 11 gm Made of Brass.

JKA-69 : Set 110 gm Made of Brass.

Student Tambour

JKA-71 : Size-40mm tie on diaphragm, Stainless Steel capillary lever

Large Tambour

JKA-74 : 75mm dia. diaphragm for large displacement of air, Stainless Steel

Mareys Tambour

JKA-75 : Dia. 22mm or 28mm with Stainless Steel capillary lever.

JKA-83 : Consists of a spindle mounted on centres and having a spring collar for grapping straws and such like material to form a light lever

JKA-85 : Obviates extremely careful adjustments as the writing lever always falls towards the paper.

JKA-86 : Stout construction duly chromium plated frame with stop at one end, interchangeable " stem. The lever fits through axle pivoted between centres and a thumb screw on the axle permits the lever to be adjusted for length.

JKA-87 : The axle is screwed, has two nuts between which interchangeable levers are centred while screwing up the central screw. The stem screws into the head with various positions with adjustable spring supports, one plain lever, one notched lever with holes and one short lever.

JKA-88 : The levers can be fixed to the spindle in the centre of which a vulcanite roller having 3 pin set at 900 on the central spindle. On one of these pins lever fits. Sliding through the frame is a rod carrying a spring that can be caused to bear against the roller its turning while other adjustments are made.

JKA-121 : Complete with 38cms high upright.

JKA-122 : Complete with 38 cms. high upright with quick tangential adjustment & clamp nut.

JKA-130 : Machined from solid Brass rod, richly chromium plated to hold 9mm & 6mm rods.

JKA-131 : Machined from solid Brass rod, richly chromium plated to hold 12.5mm & 9mm rods.

JKA-132 : Machined from solid Brass rod, richly chromium plated very conveient to hold rods of dia. 3mm to 13 mm.

JKA-141 : With suitable stem to fit in an X-Block.

JKA-145 : For use with Frog Heart. Made of Stainless steel.