An ideal tambour with standardized components to make it an all-purpose instrument. The capsule is a separate part of the unit, and different sizes of capsules can be fixed on to the standard base plate, which is provided with a slot, and with 3/8” stainless steel stem. Standard capsules of 20, 30, 40, 50 & 75 mm dia can be supplied.
Any of these could be fitted to give a tambour of the required capacity. The recording lever is mounted between adjustable centers, and on a sprung fork, which can be adjusted to suit the different capsules. Fine vertical adjustment to the recording lever. The unit can also be supplied with a boss giving fine tangential adjustments.