gear reduction mechanism
Date1900-1930
Inventory Number1996-1-0358
ClassificationGear Reduction
Subject
Maker
Spindler & Hoyer
1898 - 1996
Cultural Region
Place of Origin
Dimensions21.5 × 9.3 × 14.5 cm (8 7/16 × 3 11/16 × 5 11/16 in.)
Material
DescriptionThis device consists of three gears of different sizes: small, medium and large. The small gear is linked to a pulley, which was itself linked to a motor. The small gear puts the medium gear in rotation, and the latter puts the larger toothed wheel in rotation. Both the medium and large gears have a shaft which could be connected to another instrument. Two wingnuts are used for mounting purposes.
The frame has been painted with the following: "ME 6".
The frame has been painted with the following: "ME 6".
Signedon instrument: SPINDLER & HOYER / GÖTTINGEN
FunctionThis device is used to slow the rotational speed of a motor.
John Cuthbertson
Date: 1770-1815
Accessories: brown storage box, descriptive tag, thin strip of paper in box with the inscription "lucernal microscope" in David P. Wheatland's handwriting (which refers to figs. 47-48 and 51 in this series), page from the book "Old Science and Medicine" with a photographic copy of the first print from this series, entitled "The Large Electric Machine at Haarlem."
Object number: 1998-1-1087
