Differences in HMV Model 100 Portables

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Gmemg
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Differences in HMV Model 100 Portables

Post by Gmemg » Mon Dec 11, 2017 6:27 pm

Yesterday "the Squire" dropped in at "The Preceptory " on his way home, he had been buying and one of the lots he bought is shown here - 2 HMV model 100 portables and they're NOT identical, one is earlier and possibly one fo the first made whilst the other is one of the last made

Here they are, side by side the Earlier on is on the left

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and open - you may see some differences including the lid support on the LH model is on LH side, this interfering with the operation of the tonearm and on the RH machine it's been moved to the RH side where it's out of the way of the rising tonearm

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Inside the machines - the LH machine's motorbaord showing the Earlier turntable

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the RH machine with later style turntable

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Under the turntable, apparently the same motor but in a different position - the LH machine's speed control - operating the lever on the inside of the loop thus pulling the lever forward

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The speed control on the RH machine operating by the edge of the control pushing the lever back

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The winding escutcheons

The earlier LH one - not seen on any other machine

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The Later one on the RH machine as seen on many other machines

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The record trays - the later one is typical

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The earlier one - The Earlier one has no clips on the edges and is held in place by strips of Rexine held on by metal clips

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The needle pots - on the earlier one they sit on the RH side but right up to the edge

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whilst on the later one they are moved to the side to accomodate the lid support and are fitted on a larger plate

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The Motors - which look identical but are not interchangeable

The Earlier one has a fairly crude Worm gear with a Speed control operating on the LH side of the motor it also has large chunky weights

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The Later one has a finer worm gear and the speed control operating on the RH Side

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here's the video making all the above points !

https://www.youtube.com/watch?v=V8ExeOUfm_4
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