Temperature Compensation

Compensation Pendulum for a Clock

Catalogue no: 1510
Dewey No: 681.1124 Subject(s): Courtenay Ilbert Archive
Author(s): Adam Reid
Total pages: 5 Illustrations: 3 Language(s): English Publication date: 1810
Editor: Publisher: Philosophical Transactions of the Royal Society
Dimensions: 225mm x 140mm Condition: Fragile, pages loose
Related titles: Related library records:
Notes:

Pages extracted from this journal and bound separately between paper covers.

"Fifteen Guineas were this session voted to Mr Adam Reid, of Green's End, Woolwich, for a Compensation Pendulum for a Clock."

Description of a zinc and iron half seconds pendulum, accompanied by an engraving of the features.

Also included in these pages, a description of Mr. Spark's Noctuary, "for ascertaining the hour at night, by an apparatus connected with a common watch".  Illustrated on the same page as the pendulum.  The Silver medal was awarded.

Room location: Library Extension Cabinet: F Shelf: 5
Search terms: Horological Tools, Nocturnals, Pendulums, Precision Timekeeping, Temperature Compensation
Make a research enquiry about this item

Inventor of the Contrivance in the Pendulum of a Clock, to prevent the Irregularities of its Motion by Heat and Cold

Catalogue no: 1509
Dewey No: 681.1124 Subject(s): Courtenay Ilbert Archive
Author(s): James Short F.R.S.
Total pages: 7 Illustrations: 0 Language(s): English Publication date: 1752
Editor: Publisher: Philosophical Transactions of the Royal Society
Dimensions: 230mm x 180mm Condition: Reasonable
Related titles: Related library records:
Notes:

Pages taken from Royal Society magazine and bound separately between marbled paper.

Short's lecture on the compensated pendulum, "... and it having been often asked, who was the inventor of it, I have therefore thought proper to draw up the following historical account of it: And as this account contains nothing but matters of fact, supported by the best authorities, I hope it will be acceptable to this Society, ..."

Room location: Library Extension Cabinet: F Shelf: 5
Search terms: Pendulums, Temperature Compensation
Make a research enquiry about this item

E.S.Eiffe's Patents of 1848, followed by an interesting letter of Charles Frodsham also Eiffe's reply

Catalogue no: 1470
Dewey No: Subject(s): Courtenay Ilbert Archive
Author(s): J.S.Eiffe, Charles Frodsham
Total pages: 6 Illustrations: 2 Language(s): English Publication date: 1848
Editor: Publisher: The Patent Journal
Dimensions: 220mm x 130mm Condition: Pages yellowing, some tears and staining
Related titles: Related library records:
Notes:

pp. 498-500 and 611-614 extracted from the Patent Journal and roughly bound between paper covers.  Title written in ink on front cover, not in Ilbert's hand.

Details of patent:  James Sweetman Eiffe, Esq., of 48 Lombard-street, City, for certain improvements in the manufacture of astronomical and other clocks, chronometers and watches.  Patent dated December 7th, 1847. Enrolled March 31st, 1848.

Patent concerns the arms of the balance constructed out of the radial line.

Room location: Library Extension Cabinet: F Shelf: 5
Search terms: Chronometers, Temperature Compensation
Make a research enquiry about this item

Description of a Compensation Curb

Catalogue no: 1469
Dewey No: Subject(s): Courtenay Ilbert Archive
Author(s): James Scott
Total pages: 4 Illustrations: 1 Language(s): English Publication date: 1805
Editor: Publisher: Unknown
Dimensions: 220mm x 140mm Condition: Good
Related titles: Related library records:
Notes:

pp 19-22 extracted from a publication (Ilbert's note states "Nicholson's phil Jul. 1805), and bound between paper covers.  Written on cover in ink, "Monsieur C.W.Cooke.  Hommage de l'auteur."

Room location: Library Extension Cabinet: F Shelf: 5
Search terms: Temperature Compensation
Make a research enquiry about this item
Syndicate content