THE

MECHANICS' MAGAZINE,

MUSEUM,

Register, Journal,

AND

GAZETTE,

OCT. 1-MARCH 31, 1837.

VOL. XXVI.

"The objects of philosophy are to ascertain facts or truth, and the causes of things or
their phenomena; to enlarge our views of God and his works; and to render our know-
ledge of both, practically useful, and subservient to human happiness."-WEBSTER,

LONDON:

PUBLISHED FOR THE PROPRIETOR, BY W. A. ROBERTSON,
MECHANICS' MAGAZINE OFFICE, PETERBOROUGH-COURT.

1837

Library

v.26

F

PRINTED BY W. A. ROBERTSON, 6, PETERBOROUGH-COURT, FLEET-STREET.

CONTENTS.

ORIGINAL CONTRIBUTIONS.

PAGR

2

Description of an improved Iron Lighthouse. By Mr. John Lake..

Report of Mr. Mackintosh's Lectures on his Electrical Theory of the Universe. . 9, 32, 47,

62, 95, 111

Description of Gregory's improved Window-cleaner and Fire-escape. By Mr. W.

Baddeley..

10

Correspondence on the Systems of Condensation patented by Mr. W. Symington and
Mr. T. Howard :-Mr. Symington's Letters, 15, 119, 219; Mr. Howard's.. 60, 150

Description of Mr. Braithwaite's Steam Floating Fire-engine

Remarks on Mackintosh's Electrical Theory of the Universe, and Outlines of another

Theory. By Col. Maceroni.

Further Elucidation of his Galvanic Theory, by Col. Maceroni.

On the Work performed by Steam-engines in Cornwall. By J. S. Enys

On the same. By Mr. J. Dickson, C. E.

18

19

40, 108, 434

32

.....

110

34

39

44

47

On Witty's Patent Lamellar Bars and Segmental Trusses, and their application to

various Purposes

Notice of a Mode of propelling Balloons in any Direction, invented by Mr. W. Bad-

deley

Description of Mr. Wilkinson's Alarm Rocket. By Mr. W. Baddeley

Suggestion of a new Plan for taking the Votes in the House of Commons

Description of Jones's Wrought Iron Wheels for Locomotive Engines and Railway

Carriages. By Mr. W. Baddeley

50

Observations on Mr. Exley's new Theory of Physics. By Benj. Cheverton, esq.... 51, 90

Notice of a Mode of propelling and directing Balloons, invented by Signor Andervolti. 57

Description of a Mechanical Method of teaching and examining Music, by the Use of a

Sliding Rule. By Mr. W. Andrews, of Ivenhoe.

On Manumotive Carriages. By Mr. W. Baddeley

On Circulating Decimals. By G. C. L...

Description of Hutchison's Registering Gas and Water Valve. By Ensor..

Description of Chalklen and Bonham's Patent Vice. By a Blacksmith

Proposal of a Question in Interest. By O. C. F...

On Mr. Mackintosh's Electrical Theory of the Universe, by Kinclaven, 99, 215, 366,
473; by Mr. Pine, 102; by Nautilus, 222; by S. W. S., 350; by Mr. Joshua
Thorne, 405; by a Country Teacher

Further Elucidation of the Electrical Theory, and Answers to Opponents. By Mr. T.

S. Mackintosh..

Suggestion of a Mode of preserving the Gas of Ballons, and using Carbonic Acid Gas

for Ballast. By Mr. R. Munro

101

Reply to Dr. M'Cormac on the invention of the Rotary Printing Apparatus. By Row-

land Hill, Esq.

On the first Excitement and Germination of Plants, with Remarks on the Franklinean

Theory, and that of Mr. Mackintosh. By Mr. T. Pine

102

106

112

On the Transmission of Sound to great Distances

Description of a Fire Extinguishing Apparatus, and Fire-escape. By Capt. Smith, R. N. 114

Correspondence on the working of the present Fire Insurance System, and the rela-

tion between the Companies and the Public:-Letters by P. R., 116, 217, 288;
by Mr. W. Baddeley, 157, 227, 261; by Fire-Fury, 179, 227, 303; by Aquarius.. 263

Strictures on M. Quesney's new System of Geology. By O. N.

On the Same. By Kinclaven

Description of Hutchison's Numeroatus, or Iron Tally-man, for registering the Delivery

of Coals. By Ensor..

Description of an improved Tailor's Work Table. By Mr. T. R. Croft.

An Essay at perpetual Motion, by Mr. T. S. Mackintosh

Remarks on the Trials of Collier's Patent Steam Boilers

Notice of a case of Defective Vision, by W., 154; by Mr. Geo. Johnston

Suggestions on Aerial Locomotion. By Mr. W. Ranwell

302133

116

148

146

147

148

162

303

168