Fair to say i have quite a few of J.Hudson & Co's products in my collection, some of which have been added relatively recently.
A group photo:
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From top left: ACME Siren, ACME City Whistle, ACME Scout Whistle, Metropolitan Police Whistle, ACME Taxi Call, Air Ministry Thunderer 60.5, ACME 470 Clicker
Titanic Thunderer 58, Thunderer 58.5, Thunderer 59.5, Thunderer 60.5, Thunderer 63.
Bottom left: ACME Silent Dog Whistle, ACME Shepherd Call, ACME Fox Call, ACME Bosun Whistle, Samba Thunderer, ACME Tornado T2000, ACME Cyclone 888.
There is also an interloper from J.Hudson's Canadian competitor from across the pond bottom right, i'll leave it to your imagination why i had to have one!
If i had to pick a favourite out of all that lot above it would have to be the ACME Siren, which is a lot of fun and was originally invented in 1895 as "the cyclist's road clearer"!, it is now used a lot in movies to simulate police car sirens and other effects.