The engineer's sketch-book of mechanical movements, devices, appliances, contrivances and details employed in the design and construction of machinery for every purpose

by Thomas Walter Barber

[Larger plate.]

Section 47.—PLATE WORK.

(See also [p. 106].)

SHEET METAL JOINTS.

[2234]. Ring seam, with cover strip.

[2235]. Folded ring seam.

[2236]. Half folded seam.

[2237]. Filleted ring seam.

[2238].		-	Bottom seams;[2244] is strengthened by a thick wire ring.
[2239].
[2240].
[2241].
[2242].
[2243].
[2244].
[2245].

[2246] & [2247]. Intermediate seams, or diaphragms.